Explosion Reported On Zug Island

RIVER ROUGE (WWJ) - Authorities are trying to determine what led to an explosion at the U.S. Steel plant in River Rouge.

The incident happened late Monday night at the plant on Zug Island, a heavily industrialized island just south of Detroit.

At least two people were sent to Detroit Receiving Hospital's burn unit; the extent of their injuries and conditions are unknown.

A cause of the explosion remains under investigation.