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.

Several apartment and administrative buildings were damaged, fires broke out. The attic floor of one of the multi-story residential buildings was partially destroyed, while a fire on the sixth floor was extinguished,

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

Ukrainian officials say Russia is using drones to target civilians in Kherson. Some Russian soldiers appear to be bragging about the deadly attacks on social media.

A drone attack by Ukraine has set an oil depot in Russia's Smolensk region on fire, in the latest in a series of strikes targeting Russian energy infrastructure in recent weeks