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EU wrestles with Russia oil embargo as leaders gather

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Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Ukrainian President Volodymyr Zelenskyy is seen on a screen, left, as addresses from Kyiv during an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Ukrainian President Volodymyr Zelenskyy is seen on a screen, left, as addresses from Kyiv during an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Ukrainian President Volodymyr Zelenskyy is seen on a screen, left, as addresses from Kyiv during an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Ukrainian President Volodymyr Zelenskyy is seen on a screen, left, as addresses from Kyiv during an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Ukrainian President Volodymyr Zelenskyy is seen on a screen, left, as addresses from Kyiv during an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Ukrainian President Volodymyr Zelenskyy is seen on a screen, left, as addresses from Kyiv during an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Ukrainian President Volodymyr Zelenskyy is seen on a screen, left, as addresses from Kyiv during an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Ukrainian President Volodymyr Zelenskyy is seen on a screen, left, as addresses from Kyiv during an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Ukrainian President Volodymyr Zelenskyy is seen on a screen, left, as addresses from Kyiv during an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Ukrainian President Volodymyr Zelenskyy is seen on a screen, left, as addresses from Kyiv during an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Ukrainian President Volodymyr Zelenskyy is seen on a screen, left, as addresses from Kyiv during an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Belgium's Prime Minister Alexander de Croo arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Sweden's Prime Minister Magdalena Andersson speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

French President Emmanuel Macron, centre, European Council President Charles Michel, left and Italian Premier Mario Draghi talk before the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Parliament President Roberta Metsola and Poland's Prime Minister Mateusz Morawiecki talk before the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Ukrainian President Volodymyr Zelenskyy is seen on a screen, left, as addresses from Kyiv during an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

High Representative of the European Union for Foreign Affairs and Security Policy Josep Borrel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

High Representative of the European Union for Foreign Affairs and Security Policy Josep Borrel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

High Representative of the European Union for Foreign Affairs and Security Policy Josep Borrel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

French President Emmanuel Macron arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Estonian Prime Minister Kaja Kallas arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)

Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)

European Council President Charles Michel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Dutch Prime Minister Mark Rutte arrives for the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Ireland's Prime Minister Micheal Martin speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Luxembourg's Prime Minister Xavier Bettel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

High Representative of the European Union for Foreign Affairs and Security Policy Josep Borrel speaks to media prior to the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Hungarian Prime Minister Viktor Orban speaks to media prior the extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Geert Vanden Wijngaert)

Prime Minister of Bulgaria Kiril Petkov arrives for the an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security in Brussels, Monday, May 30, 2022. European Union leaders will gather Monday in a fresh show of solidarity with Ukraine but divisions over whether to target Russian oil in a new series of sanctions are exposing the limits of how far the bloc can go to help the war-torn country. (AP Photo/Olivier Matthys)