The Russian Defense Ministry said early on Friday that a Ukrainian drone was shot down around 4:00 am (01:00 GMT) when it attempted to attack facilities in Moscow and the Moscow region.
"On August 18, around 4:00 am, the Kiev regime attempted to carry out yet another terrorist attack using an unmanned aerial vehicle on facilities located in Moscow and the Moscow region," the statement read.
The drone changed its flight trajectory and landed on a non-residential building in the area of Krasnopresnenskaya Embankment in Moscow, the ministry said.
Moscow's Mayor Sergey Sobyanin added that there were no casualties or injuries, according to preliminary information.
Sobyanin noted that city's emergency services were working at the site.