Sultanpur (UP), Oct. 15 -- A series of powerful explosions ripped through an illegal firecracker manufacturing unit in Sultanpur early this morning, leaving 12 people injured, five of them critically said.

The blast occurred around 4:50 am in Miyaganj locality under Jayasinghpur police station area, around 30 km from the district headquarters, police sources added.

The incident took place at the residence of Nasir, a known firecracker dealer, where a mini firecracker factory was reportedly operating illegally for nearly a decade. Eyewitnesses reported hearing 12 consecutive loud explosions within five minutes, which caused the roof of the house to blow off and walls to collapse.

The impact also caused cracks in the walls of at least five...