VLADIMIR Putin's forces unleashed their biggest drone assault yet on Ukraine's second largest city - killing at least three and injuring 21 others.

Kharkiv was rocked overnight as 48 kamikaze drones , along with two missiles and four gliding bombs, slammed into residential areas, according to the city’s mayor.

“We have a lot of damage,” Ihor Terekhov said.

In the latest terror strikes on civilians, 18 multi-story buildings and 13 private houses were hit and damaged.

In Kyiv, a dramatic tower block video filmed by a resident showed the terror of another Putin strike on civilians as flames from the exploding drone shot some 80ft up the building.

Three were killed and at least 21 wounded, including a six-weeks-old baby, and a 14-year-old girl.

A woman, 26, trapped under a slab of con

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