Ammon News - Russian drones hit high-rise apartment blocks and private homes early on Thursday in Kharkiv, Ukraine's second largest city, killing at least four people, including rescue workers in a repeat strike at the site of one attack, officials said.

Kharkiv Regional Governor Oleh Synehubov, writing on the Telegram messaging app, put the death toll at four, with 10 injured, one in serious condition.

Kharkiv Mayor Ihor Terekhov, also writing on Telegram, said four people died at the scene of one attack, at least three of them drivers of emergency vehicles killed after they had arrived at the scene and a new strike occurred.

Terekhov said there had been five drone strikes. One had triggered a fire, part of another building had collapsed, and at least three vehicles were seriously damaged.

One person was killed in a strike on private homes in another city district, Terekhov said.

Synehubov said one of the injured was a nurse caught in a later, secondary blast.

Reuters