Russian President Vladimir Putin has vowed to bring "destruction" to Ukraine in response to a drone attack on the city of Kazan, located roughly 620 miles from the frontlines of the ongoing conflict.

On Saturday, footage showed a drone striking a high-rise luxury apartment block and producing a large fireball in Kazan, which is located 500 miles east of Moscow. Ukrainian officials have not commented on the strike but said that Kyiv’s drones had hit a ...

"Whoever, and however much they try to destroy, they will face many times more destruction themselves and will regret what they are trying to do in our country," Putin said on Dec. 22.