The exact cause of the explosion was yet to be ascertained, police said. (Representational)
Three workers were killed when an oxygen cylinder exploded at a cement factory in Chhattisgarh's Balodabazar district on Tuesday, police said.
The incident took place at UltraTech Cement's plant in Hirmi area, a senior police official said.
Lakesh Kumar Gayakwad, 21, Shatruhan Lal Verma, 27, and Umesh Kumar Verma, 26, all contractual workers, were killed in the explosion, he said.
The exact cause of the explosion was yet to be ascertained and investigation was underway, the official said.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)