- Russia says US is responsible for strike on Crimea. - Ukraine struck Crimea with U.S.-supplied ATACMS. - Russia says U.S. personnel input flight coordinates. - Russia says at least three people killed, 124 injured. MOSCOW, June 23 (Reuters) - Russia said on Sunday that the United States was responsible for a Ukrainian attack on the Russian-annexed Crimean peninsula with five U.S.-supplied missiles that killed at least five people including three children and injured 124 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...