(KXII) - Two crashes involving six vehicles injured five people and backed up traffic on Interstate 35 in Love County all day Thursday.

The Oklahoma Highway Patrol received the first calls around 8 a.m. First crash between Ardmore and Marietta"So, this morning we had reports of a semi-truck that was driving all over the roadway," said Lt. Walter Jack of the Oklahoma Highway Patrol.

A southbound semi veered left into the median near the 21 mile marker between Ardmore and Marietta.