The Russian military repelled a drone attack at an airport in Pskov, western Russia, where four transport aircraft were damaged, officials said early on Wednesday.
"The Ministry of Defense is repelling a drone attack on Pskov airport," Pskov Governor Mikhail Vedernikov wrote on the Telegram messaging app. "More detailed information will follow after a meeting of the crisis center, which I will chair personally."
There were no reports of casualties.
TASS news agency, quoting emergency services, said four Il-76 transport aircraft, long the workhorse of the Russian military, were damaged at the military airfield.
"As a result of the drone attack, four Il-76 aircraft were damaged. A fire broke out and two planes burst into flames," TASS reported.
Videos posted by Russian media showed thick black smoke rising over the airport. They cited posts of local residents who heard explosions and gunfire.
The fire has been contained, according to the latest report.
The Russian military said early in the day that it had downed three Ukrainian drones over southern Bryansk region and one over central Orlov region, RIA news agency reported.