UPDATE Monday Sept. 18, 10:30 a.m.: A woman who was seriously injured by what police say was an SUV in a hit-and-run crash that also killed a man is fighting for her life at University of Tennessee Medical Center.

According to Knoxville Police, Jennifer Ouellettee, 24, of Coventry, Rhode Island is recovering in the hospital. UTMC said Monday that she is in critical condition.

The victim who died has been identified as Thomas E. Burch, 29, of Knoxville.

Sunday night, a suspect in the fatal hit-and-run was taken into custody and charged with leaving the scene of an accident knowing death resulted, according to arrest records.

The suspect's name is Emily L. Williams, 23. The two victims were standing in the bicycle lane on the Gay Street Bridge, according to Knoxville police.

Authorities allege Williams collided with both victims in her SUV.

A citizen told Knoxville Police Department a vehicle matching the SUV's description was parked on Colonial Avenue in South Knoxville. Police saw blood on the vehicle when they located it, according to the warrant.

The vehicle was registered to Williams and a male, according to the warrant.

Williams faces arraignment Sept. 27 in Knox County General Sessions Court, records show.

UPDATE (Sunday Sept. 17, 3 p.m.): The Knoxville Police Department said investigators are questioning a person of interest in the hit-and-run. Officers located the vehicle believed to have been involved in the incident, according to KPD.

ORIGINAL STORY: The Knoxville Police Department is looking for the suspect in a fatal hit-and-run that left one man dead and one woman seriously injured.

It happened at 2:52 a.m. Sunday on the Gay Street Bridge in Downtown Knoxville.

Police said the man and woman were standing on the side of the road when they were hit by an SUV. The man died on scene and the woman was taken to the UT Medical Center with serious injuries.

Authorities say the suspect is a woman in her 20s, driving a white Toyota SUV. They say the car has damage to the passenger side and has a missing side passenger mirror.

If you see this car or know any information about this incident -- please call KPD at (865) 215-7000.

We will continue to keep you updated on air and online as we get more information.