Speaking on Sunday, Putin promised "many times more destruction" in retaliation, Russian news agency RIA Novosti has reported.

"Whoever attempts to destroy something in our country will face many times greater destruction on his own," Putin said, emphasizing Russia’s resolve to not only repair the damage but to "move forward even faster."

The attacks on Saturday involved eight drones, six of which targeted residential buildings, causing widespread concern.

According to reports, a drone attack on Kazan, 1,000 kilometers from the Ukrainian border, caused school evacuations and flight suspensions.

Of the eight drones, six hit luxury apartments, one struck an industrial site, and one was shot down, according to officials.

Ukrainian drone strikes aim to weaken Russia’s military and industrial capabilities to support its war effort.

Reports indicate that a drone attack on Kazan, 1,000 kilometers from the Ukrainian border, caused school evacuations and flight suspensions.