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.

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

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.

An aviation plant that produces strategic bombers was targeted, a Ukrainian official said, adding that it was 'becoming increasingly difficult to cover the skies of Russia'

The Smolensk Aviation Plant produces the Soviet-designed Su-25 ground attack aircraft, as well as Kh-55 and Kh-59 missiles.

An attack has reportedly targeted the Smolensk Aircraft Plant.

Ukraine used long-range drones to attack the Kazan Aviation Production Association named after S.P. Gorbunov (KAPO) in Tatarstan. These plants manufacture Russian Tu-160M strategic bombers and Tu-214 passenger planes.

Ukraine launched an attack using long-range drones on the Kazan Aviation Production Association named after S.P. Gorbunov (KAPO). This facility, located in Tatarstan, manufactures Russian Tu-160M strategic bombers and Tu-214 passenger planes.