One person was killed in a head-on collision between a passenger vehicle and a semi truck on Highway 101 in Warrenton early Sunday morning, officials said.

Around 3 a.m., a northbound car crossed over the center line into the path of the oncoming truck near milepost 7.5 in Clatsop County, Oregon State Police said in a statement, and the two vehicles collided.

It was unclear what caused the driver of the car to cross into oncoming traffic

One person in the car was killed in the crash and at least one other occupant had minor injuries. Police did not say if the person killed was the driver or how many other people were in the car at the time of the crash.

The names of those involved in the crash were not immediately released.

Highway 101 was closed to traffic near the scene of the crash until roughly 9 a.m. Sunday morning.

-- Kale Williams

kwilliams@oregonian.com

503-294-4048