Russia's accused Ukraine of attempting to attack the Kremlin with two drones, according to state run news agencies.
The Kremlin branded the alleged overnight attack was a “terrorist act” and a failed bid to kill Vladimir Putin, an RIA report said.
A Tass report carried quotes from officials saying Russian military and security forces had disabled the drones before they could strike.
It said there had been no damage caused nor casualties incurred, and did not provide any other details.
The Kremlin added that President Vladimir Putin was safe and continued to work with his schedule unchanged. There were no immediate comment from Ukrainian authorities.