Ukrainian military official releases video showing what appears to be Russian missile system being destroyed by a drone. A Ukrainian official released footage on Sunday, appearing to show a drone taking out a Russian missile system. The Russian invasion of Ukraine continued for a fifth day on Monday, Feb. 28. Ukrainian forces have offered stiff resistance as Russia launched attacks from Crimea in the south, an attack on the second-largest city of Kharkiv, and an attack on the Ukrainian capital city of Kyiv. The United States and its allies have responded with stiff sanctions, including cutting off some Russian banks from the international payment system Swift.