PITTSBURG, Calif. (KRON) – A wrong-way crash killed 5 people on Highway 4 early Thursday morning in Pittsburg, according to California Highway Patrol. The CHP stated that the victims include four people in one vehicle and another driver.

At about 12:10 a.m., the CHP Contra Costa was advised that a wrong-way driver was traveling eastbound in the westbound lanes of Highway 4 near Railroad Avenue, according to CHP Contra Costa. The vehicle, a Hyundai Elantra, continued eastbound in the westbound lanes and collided head on with a Ford Flex that was traveling westbound.

The collision occurred west of Loveridge Road. Both vehicles sustained major damage and came to rest in the westbound lanes.

The drivers of both vehicles suffered fatal injuries and were pronounced deceased at the scene. Three children who were riding in the Hyundai also suffered fatal injuries and were pronounced deceased at the scene, according to the CHP.

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The incident is currently under investigation and it is not yet determined if drugs or alcohol were a factor. All lanes of Highway 4 are open; the entire freeway had been shut down earlier this morning.

Anyone who witnesses the crash, the vehicle traveling the wrong way prior to the crash, or events leading up to the crash is asked to contact the Contra Costa CHP in Martinez at (925) 646-4980.

This is a breaking news story, please check back for updates.