HARRIS COUNTY, Texas - A wrong-way driver caused a fatal crash that killed three people on the Hardy Toll Road in north Harris County Sunday morning. 

According to the Montgomery County Sheriff's Office, they received reports around 3:45 a.m. about a wrong-way driver in the southbound lanes on the Hardy Toll Road at I-45 North. 

Shortly after, deputies received reports that the driver crashed head-on into another vehicle with two occupants inside. 

Deputies said all three people, the driver that caused the accident, and the two people hit all died at the scene.

It is unclear why the driver was driving in the wrong lane.