[UPDATE-May 5th] May 3rd Ukrainian Drone Attack on Kremlin Was Quite Predictable.

Ukraine attempted to attack the Kremlin in the early hours of Wednesday, using two drones, the Russian presidential press service said, adding that there were no casualties in the incident.

The Kremlin said that the incident was considered to be an attempted assassination of Russian President Vladimir Putin. Russia retains the right to respond in kind “whenever and wherever it sees fit,” the press service added.

This is a developing story. Check back for updates.

[UPDATE-May 5th] Russia-U.S. dialogue may take very negative turn after drone attack on Kremlin, warns expert