At least 17 persons, including five employees, were injured in a blast owing to a “technical snag” at the Indian Oil Corporation Limited (IOCL) refinery at Barauni in Bihar’s Begusarai district on Thursday, officials said.
The injured were currently undergoing treatment, and condition of one of them was said to be serious.
Fire tenders and jumbo tankers were pressed into service following the mishap.
The plant was later sealed, Begusarai district magistrate (DM) Arvind Kumar Verma said, adding that security personnel were deputed there.
A team was also constituted to probe the incident, said refinery officials.