3 dead, including suspect, after workplace shooting at Northern Virginia rental facility, police say

MANASSAS, Va. — Three people are dead, including the suspect, and one is hospitalized after a shooting at a United Rentals location in Manassas on Wednesday morning.

Manassas City Police received a call at 7:11 a.m. reporting a shooting at United Rentals, located at 9415 Wellington Rd. Officers from both Manassas City Police and the Prince William County Sheriff's Office arrived at 7:14 a.m., located three victims and provided emergency medical aid.

The two victims who died have been identified as Richard Lamont, 48, and Christopher Serrano, 33. All next of kin have been notified. A third victim is in stable condition.

The suspect, identified as Marvin Grant, 37, of Charlotte, North Carolina, was a United Rentals employee who fled the scene in a silver Toyota Camry before officers arrived.

Detectives began a phone ping for Grant's cell phone, which was located in Harrisonburg.

At 8:20 a.m., Virginia State Police were alerted to be on the lookout for Grant and that he may be in Rockingham County. A Virginia State Police trooper spotted Grant's vehicle on Interstate 81 southbound near the 235-mile marker in Augusta County.

Grant's vehicle pulled into a rest area at the 232-mile marker, where troopers attempted a traffic stop. Grant exited his vehicle, then returned to it and continued driving southbound on Interstate 81. Troopers initiated a pursuit.

At the 227-mile marker, Grant pulled over on the side of the interstate and exited the vehicle with a firearm pointed at his head. Virginia State Police's tactical team and a negotiator were brought to the scene.

At 10:30 a.m., police say Grant shot himself. He was taken to an area hospital, where he was pronounced dead. Virginia State Police said there was no use of force by troopers.

This is a developing story, so check back with WTVR.com for updates. Email the CBS 6 Newsroom if you have info, photos or videos to share.