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

Russia appears to be using drone attacks on civilians to train young pilots, says a Ukrainian lawmaker with ties to Ukraine's military. One city has been hit by hundreds of drone strikes this year.

Russia’s military on Tuesday said it would retaliate against Ukraine after Kyiv attacked Russian regions by firing six US-made ATACMS ballistic missiles, six UK-made Storm Shadow cruise missiles and launching one of the biggest drone attacks to date.

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.

Ukrainian President Volodymyr Zelenskyy warned allies that the defense of his nation is a litmus test for broader Western resolve.

The Ukrainian army says it has fired a wave of drones into Russia, sparking a blaze at the country’s oil depot and causing explosions at a plant producing military aircraft. The army said on Tuesday that the drones were fired in the western Voronezh region bordering Ukraine,

Ukrainian drones attacked key military facilities in Russia, including the Smolensk Aviation Plant and a refinery. This information was provided by the General Staff in Kyiv. Ukrainian drones conducted attacks on strategic targets in Russia,

Ukrainian drones attacked key military facilities in Russia, including the Smolensk Aviation Plant and a refinery. The information was provided by the General Staff in Kyiv. Ukrainian drones conducted attacks on strategic targets in Russia,