The crash involved a school bus, a tractor trailer and at least one other vehicle.
Authorities say one person died at the scene, and several others were injured.
Final U/D from PGFD Branch Avenue Crash - 9 total people evaluated by PGFD Medics - 6 transported (all appear NLT). 1 fatality on scene and 2 patients refused transport. HazMat team on the way for cleanup of fluids leaking from vehicles. Extended operations to extricate fatality
— Mark Brady (@PGFDPIO) April 10, 2019
The investigation is on-going.