EXPLAINER: Why is Turkey wary of Nordic states’ NATO bid?


              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Members of a military honour guard wearing clothes of the soldiers of 16 former Turkish states, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              A military honour guard of the Turkish army, walk after a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              Turkish President Recep Tayyip Erdogan arrives for a ceremony at the presidential palace, in Ankara, Turkey, Monday, May 16, 2022. Erdogan has thrown a spanner in the works of Sweden and Finland's historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (AP Photo/Burhan Ozbilici)
            
              FILE - Kurdish protesters attend a demonstration against Turkey's military action in northeastern Syria, in Stockholm, Sweden, on Oct. 12, 2019. Turkish President Recep Tayyip Erdogan has thrown a spanner in the works of Sweden and Finland’s historic decisions to seek NATO membership, declaring that he cannot allow them to join due to their alleged support of Kurdish militants and other groups that Ankara says threaten its national security. (Fredrik Sandberg/TT via AP)