US, Kyiv cannot 'disown' drone attack on Kremlin. Russia has accused Ukraine of trying to assassinate Putin. White House, Kyiv deny Russian accusations of involvement. Russian drones target Kyiv, other cities. Zelenskiy visits The Hague, says Putin must face justice. KYIV, May 4 (Reuters) - Russia said on Thursday that the United States was behind an alleged drone attack on the Kremlin aiming to kill President Vladimir Putin, and air raid sirens sounded again in Kyiv as darkness fell following attacks the previous night. Reuters witnesses heard gunfire and repeated heavier explosions near the centre of Kyiv. Residents who made...