8 vehicles, including a tractor-trailer, involved in 3 separate wrecks that caused major delays on I-40 in Orange County

ORANGE COUNTY, N.C. (WTVD) -- Durham police are investigating three separate wrecks involving eight vehicles, including a tractor-trailer, that shut down Interstate 40 in Orange County for several hours on Thursday.

The crashes all happened near NC-86 around 5:30 p.m.

For nearly five hours, the westbound lanes of the highway were closed. Two of the eastbound lanes were also blocked.

Durham police said three vehicles, including the tractor-trailer, caught fire but no one suffered major injuries.

WATCH: Chopper 11 flies over crash on I-40

I-40 westbound and several lanes of I-40 eastbound are closed as crews work to clear the scene.

Several people were taken to the hospital for treatment, but none of the injuries appeared to be life-threatening, according to the Durham Police Department.

I-40 West reopened about 9:30 p.m.