LAKE CHARLES - Five people were hurt when an explosion occurred Monday night at Westlake Chemical.

A local news outlet cites confirmation from Louisiana State Police that five contract employees working the turnaround were taken to a local hospital and treated for injuries.

All other personnel were safely accounted for, according to company representatives. 

The incident happened around 11 p.m. at Westlake Chemical’s Petro Complex 2 Unit while the unit, which is used in the production of ethylene, was undergoing maintenance.