Ukraine drone strike on Nizhnekamsk kills 12 in deep Russia attack

Nizhnekamsk came under a "massive" drone attack targeting industrial and civilian facilities on Monday morning, according to the press service of Tatarstan's head, Rustam Minnikhanov.

Nizhnekamsk is roughly 1,200 kilometres east of the Ukrainian border and has a population of about 240,000. The city is an important oil refining hub, home to two refineries and a petrochemical plant.

"We do deliver entirely justified responses, and every Russian strike will be met with our response. Russia's war will be felt more and more at their own home – in Russia," Zelensky said late Sunday on social media.