Kolkata (West Bengal): Teams from the state CID and forensic department started their investigation into the explosion at an illegal firecracker factory in Egra area of West Bengal's Purba Medinipur district on Wednesday, a senior officer said. Forensic experts started collecting samples from the now collapsed house at Khadikul village which housed the illegal firecracker unit and its surroundings, he said.
The CID officers will speak to witnesses as well as with family members of those killed in the blast, the officer said. A huge posse of local police have been deployed in the village near the Odisha border. The district police have lodged an FIR in connection with the explosion that took place on Tuesday in which nine people were killed and several others injured.
"Our officers are at the spot and they have started their investigation. Forensic experts are also there. The samples collected from the spot will be sent for examination to identify the materials used at the factory to prepare firecrackers," the police officer told PTI. The condition of the five people injured in the last blast is stated to be "critical", one doctor of the hospital, where they are undergoing treatment, said.