MOSCOW—Russia said on Sunday that the United States was responsible for a Ukrainian attack on Crimean peninsula with five U.S.–supplied missiles that killed four people, including two children, and injured 151 more.
The Russian Defence Ministry said four of the U.S.–delivered Army Tactical Missile System (ATACMS) missiles, equipped with cluster warheads, were shot down by air defense systems and the ammunition of a fifth had detonated in mid-air.