WILMINGTON, Del. (AP) — A tractor-trailer cab crashed through a concrete barrier Friday and plunged off the Delaware Memorial Bridge into the Delaware River, authorities said. It wasn’t clear how many people were in the cab, which was found in about 20 feet of water, according to the Delaware River Bay and Authority.

A truck cab plunged off the Delaware Memorial Bridge into the river early Friday, sparking a search operation as dive teams work to find it.