WELD COUNTY, COLO. -- The Colorado State Patrol is looking for a witness to a serious head-on collision in Weld County.
Troopers are searching for the driver of a black SUV, possibly a Ford Explorer or a Chevy Tahoe.
Witnesses said that the driver had to swerve to avoid a collision with a sedan on Highway 52, but the sedan crashed head-on into a pickup truck instead.
The driver of the SUV stopped briefly, but left before emergency crews arrived.
The driver is described as a man with short, dark hair standing about 5'10'' tall with a medium build.
He is not suspected of committing any crime, but troopers would like to get more information from him about the events surrounding the crash.