A drone smashes into a high-rise apartment building, damaging a skyscraper but leaving no victims, according to local officials.

Ukraine has struck Russian zones with drone attacks on Saturday morning that local authorities said damaged residential buildings in the city of Kazan in the Tatarstan region, over 600 miles (1,000 kilometres) from the front line.

Ukraine escalated its conflict with Russia by launching drone attacks in Kazan, damaging several buildings. Local authorities reported no casualties. The attack followed a prior missile strike in Russia's Kursk region.