ROHTAK, May 23 -- Six workers sustained injuries in an explosion in a chemical factory located in the Modern Industrial Estate (MIE) Part-B area of Bahadurgarh town in Jhajjar district, police said on Friday.

According to the police, the workers were rescued and rushed to the hospital after the incident. However, the cause of the blast is yet to be ascertained but preliminary investigation by the police reveals that the incident took place due to an explosion of a boiler resulting in the collapse of a major portion of the factory's two-storey building.

Five injured workers were admitted at the PGIMS Rohtak while one was admitted to a private hospital in Bahadurgarh, police said.

According to the locals, the incident occurred in the aft...