Ukraine war latest: Ukrainian pilots start F-16 training in Denmark; Poll shows 90% of Ukrainians oppose territorial concessions to Russia

Key developments on Aug. 22: * 8 Ukrainian pilots and 65 personnel begin F-16 training in Denmark * Poll: 90% of Ukrainians oppose territorial concessions to Russia * Ukraine receives another 1.5 billion euros in budget support from EU * Putin reportedly fires air force chief * Russia claims drones downed near Moscow Just