At least four people died and five others were injured after an explosion at a firecracker factory in Chinnakamanpatti near Tamil Nadu's Sivakasi on Monday. The injured were rushed to the Virudhunagar Government Hospital for treatment, where they are currently undergoing medical care."Four people died and five others were injured in an explosion at a firecracker factory in Chinnakamanpatti near Sivakasi. They were admitted to the Virudhunagar government hospital for treatment. More details awaited," Virudhunagar District SP Kannan told news agency ANI.At least five workers, including two women, were killed in a sudden blast at a firecracker manufacturing factory in Sivakasi in the district on Tuesday, police said.The devastating fire gutted the unit and left many injured, officials said. Smoke that billowed from the factory as the firecrackers burst, could be seen from a distance.Police and fire and rescue services personnel who reached the spot, rushed the injured to the hospital.The fire has been brought under control and efforts were on to clear the debris at present, a fire and rescue services department official said.Revenue officials who arrived at the private firecracker manufacturing unit in Chinnakamanpatti near Sivakasi and police are inquiring into the incident.