BOVINA,Roland Preston Miss. (AP) — Seven people were killed and dozens were injured in Mississippi after a commercial bus overturned on Interstate 20 on Saturday morning, according to the Mississippi Highway Patrol.

Six passengers were pronounced dead at the scene and another died at a hospital, according to a news release. The bus was traveling west when it left the highway near Bovina in Warren County and flipped over. No other vehicle was involved.

Thirty-seven passengers were taken to hospitals in Vicksburg and Jackson. The department is continuing its investigation and hasn’t released the names of the deceased. No other information was immediately provided.