A school van driver was killed after a tractor-trailer ran a red light in Salem Township, Westmoreland County, on Friday morning, police said. KDKA-TV's Erika Stanish reports.

The driver of a school van was killed in a crash that involved a tractor-trailer in Salem Township, Westmoreland County. A third vehicle was also involved in the crash, which happened around 7:15 a.m.

State police believe the tractor-trailer driver who collided with the van may not have seen the traffic light change.

One person is dead after a crash involving a school van and a tractor-trailer in Westmoreland County, 911 dispatchers confirmed to Channel 11.

School van driver killed in 3-vehicle crash involving tractor-trailer in Westmoreland County 02:35. A school van driver was killed after a tractor-trailer ran a red light in Salem