A fiery wreck involving two semis shut down part of Interstate 35 early Monday morning.

The wreck happened in the northbound lanes of Interstate 35 around 1:50 a.m. near Mile Marker 352, near West.

According to DPS Spokesman Ryan Howard, a semi traveling northbound on I35 left its lane, and crashed into a semi parked on the side of the interstate.

That parked semi was hauling some kind of hazardous load.

Both vehicles caught fire in the wreck.

One person in the semi that left the interstate was flown to Parkland Hospital in Dallas with serious burns.

Troopers expect that victim to pull through.

No one was in the parked semi at the time of the wreck.

Traffic was being diverted to the service road around 4:00 a.m. while crews worked the scene.

The southbound lanes re-opened around 6:00 a.m. The northbound lanes re-opened just after 1 p.m.