On Saturday U.S. Coast Guard crews were searching for five people missing after a vessel collison in the Southwest Pass of the Mississippi River near Venice, La. The upriver-bound 534-ft. cargo ship Zim Mexico III and the downbound 178-ft. offshore supply vessel LEE III reportedly collided at 5:20 a.m. After the collision, the LEE III capsized. A boatcrew from Coast Guard Station Venice, La., a helicopter crew from Air Station New Orleans and a jet crew from Aviation Training Center Mobile, Ala., are on scene searching for the five people reported to have been on the LEE III. Investigators from Marine Safety Office New Orleans are investigating the cause of the accident.