Russia and Ukraine exchanged large drone attacks on Sunday night into Monday, with alleged Ukrainian UAVs forcing flight restrictions at three Russian airports.

A fire erupted in the city of Kazan in Russia's Tatarstan republic overnight on Jan. 20 amid a Ukrainian drone attack on the city, Russian Telegram channels reported.

The city of Kazan, which saw a drone attack overnight Monday, is home to several critical military aviation enterprises. — Ukrinform.

On the morning of January 20, the local airport in the russian Tatarstan was closed, and residents of the city on social networks reported explosions.

The brutal aerial onslaught caused a series of major fires to break out, as emergency services struggled to contain the damage.

Russia launched over 60 drones for attacks on Ukraine, of which 43 were shot down and 15 were electronically neutralized. The most intense fighting is taking place near Pokrovsk. Russian forces conducted night attacks on Ukraine,

Russian forces launched around 550 attack drones, nearly 60 missiles of various types, and more than 660 aerial bombs against Ukraine during the past week, President Volodymyr Zelensky said in his evening address on Jan.