Russia accused the United States of being behind what it says was a drone attack on Moscow's Kremlin citadel intended to kill Russian president Vladimir Putin. A day after blaming Ukraine for what it called a terrorist attack, the Kremlin administration shifted the focus onto the United States, but without providing evidence. The White House was quick to reject the charge. Ukraine has also denied involvement in the incident in the early hours of Wednesday, when video footage showed two flying objects approaching the Senate Palace inside the Kremlin walls and one exploding with a bright flash. "Attempts to disown...