Russian authorities on Monday said two Ukraine drone attacks hovering over Moscow were foiled.
The Russian Defense Ministry said in a statement that the first drone was detected by air defence forces over the Moscow region and "suppressed by means of electronic warfare."
The statement said that the drone crashed near the village of Pokrovskoye in Moscow region's Ruzsky district, adding that there were no casualties.
The second drone attack was foiled after the drone was detected and destroyed by air defence forces over the Istrinsky district of the Moscow region, the ministry said.
The Russian Federal Air Transport Agency later stated that flights from and to Moscow's airports were temporarily restricted due to the drone attacks.
The restriction was lifted at 08:30 a.m. Moscow time (05:30 GMT) and Moscow's airports were operating normally as of 09:00 a.m. Moscow time (06:00 GMT).
Ukrainian authorities have not yet commented on the claims.
Drone strikes inside Russia have dramatically increased in recent months, with authorities accusing Ukraine of being behind them.
Although Kyiv has not claimed responsibility, Ukrainian President Volodymyr Zelenskyy said in late July that the attacks on Russian territory are an "inevitable, natural and absolutely fair process."
The latest drone attacks come as tensions between Russia and Ukraine remain high. The two countries have been locked in a conflict since 2014 when Russia annexed Crimea and supported separatists in eastern Ukraine.
The United States and its allies have warned Russia against further aggression against Ukraine. The US has also provided Ukraine with military aid, including anti-tank and anti-aircraft weapons.
The drone attacks are a reminder of the ongoing tensions between Russia and Ukraine. It is unclear what the next steps will be, but the situation is likely to remain volatile in the coming months.