US ambassador to Russia leaving post as Ukraine war drags on


              US ambassador to Russia John Joseph Sullivan, centre, walks to the coffin of former Soviet President Mikhail Gorbachev inside the Pillar Hall of the House of the Unions during a farewell ceremony in Moscow, Russia, Saturday, Sept. 3, 2022. Gorbachev, who died Tuesday at the age of 91, will be buried at Moscow's Novodevichy cemetery next to his wife, Raisa, following a farewell ceremony at the Pillar Hall of the House of the Unions, an iconic mansion near the Kremlin that has served as the venue for state funerals since Soviet times. (Alexander Nemenov/Pool Photo via AP)
            
              US ambassador to Russia John Joseph Sullivan, centre, walks to the coffin of former Soviet President Mikhail Gorbachev inside the Pillar Hall of the House of the Unions during a farewell ceremony in Moscow, Russia, Saturday, Sept. 3, 2022. Gorbachev, who died Tuesday at the age of 91, will be buried at Moscow's Novodevichy cemetery next to his wife, Raisa, following a farewell ceremony at the Pillar Hall of the House of the Unions, an iconic mansion near the Kremlin that has served as the venue for state funerals since Soviet times. (Alexander Nemenov/Pool Photo via AP)