Police are providing more information on the deadly I-79 crash that involved a school bus.
They have identified the two people as 14-year-old Brylee Walker and the bus driver as 31-year-old Lindsay Thompkins.
The crash happened Tuesday afternoon around 4:30 p.m. on I-79 northbound near mile marker 99 in Muddy Creek Township. The school bus crashed into the back of a tractor trailer.
Police have also said that speed may have been a factor in the accident, although police did not say how fast the bus was going.
Our news partners at WPXI-TV report that there were 13 students on the bus at the time, two additional students had to be flown to a Pittsburgh trauma center, and two were taken by an ambulance to a hospital.