The U.S. is trying to understand whether Ukraine is behind the attack on the Kremlin or the operation was carried out by a pro-Ukrainian group.

On the night of May 3, the Kyiv regime attempted to strike with unmanned aerial vehicles at the Kremlin residence of the president. Russian President Vladimir Putin was not injured in the attack. Moscow regarded this incident as a "planned terrorist act and an attempt on the President of the Russian Federation" The Kremlin said that Russia reserves the right to take retaliatory measures.