Russia launched a mass drone attack late on Friday in Kharkiv, Ukraine's second-largest city, hitting a high-rise apartment block, triggering fires and injuring 40 people, officials said, APA reports citing Reuters.
Mayor Ihor Terekhov, writing on the Telegram messaging app, said there had been strikes in 12 locations in four central districts of the city, a repeated target of Russian air attacks lying 30 km (19 miles) from the country's northeastern border.
Terekhov said a house had also been hit. Seven of the injured were being treated in hospital.
Regional governor Oleh Syniehubov said the number of injured could still rise.
Regional authorities in southern Kherson region said a village resident died when a fallen drone exploded as he was trying to carry it away from a house.