KYIV, Sept 7 (Reuters) - Russia launched an overnight drone attack on Kyiv, with falling debris from destroyed drones sparking a fire atop of a 16-storey residential building, Vitali Klitschko, the mayor of the Ukrainian capital city said on Sunday.
"Emergency services are heading to the scene," Klitschko said on the Telegram messaging app.
Reuters witnesses heard a series of explosions shaking the city in what sounded like air defence units in operation.