In a serious turn of events, Russian President Vladimir Putin on Sunday vowed to bring more destruction to Ukraine. The statement is seen as the retaliation of a drone attack on a high-rise apartment block in the city of Kazan on Saturday.

"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.

Explosions have occurred at a local gunpowder plant in Kazan after a raid by Ukrainian drones, the administration of the Kirovsky and Moskovsky districts of

Russia accuses Ukraine of ‘massive’ drone attack that hit luxury apartment in city, some 1,000km from the frontier.

Russia's Kazan city was targeted by a major drone attack from Ukraine on Saturday. The attack damaged a high-rise apartment building but did not cause any casualties. Tatarstan's leader Rustam Minnikhanov confirmed the attack on Telegram saying that "today Kazan suffered a massive drone attack.

President-elect Donald Trump plans to launch a mass deportation operation targeting millions of immigrants living in the U.S. illegally and with temporary protections once he takes office on Jan. 20, a challenging initiative that could split apart families and affect U.S. businesses.

The Ukrainian military carried out a drone attack Saturday morning on the Russian metropolis of Kazan, as much as 1,000 kilometers from the border. More details have since emerged. According to the Russian Foreign Ministry,