KNOXVILLE (WATE) – Four people are recovering after a head-on crash on Sunday afternoon in North Knoxville.

Two cars crashed around 4:30 p.m. on East Emory Road at Hoff Lane, according to Rural-Metro.

The crash ignited a small fire in one car and one person was trapped and had to be freed, according to the Knoxville Volunteer Rescue Squad.

The four injured passengers were transported to the University of Tennessee hospital.

The investigation is ongoing.