An investigation is underway following a deadly motorcycle crash in Brentwood Borough. 

The crash happened along Rt. 51 near Brentwood Towne Square just after 7 p.m. 

KDKA's news crew at the scene witnessed a motorcycle lying in the roadway, a car that had a smashed front end, and another vehicle wrapped in police tape.

Details surrounding the crash are limited, but police said that Rt. 41 was closed between Towne Square Way and Marylea Avenue "for a fatal crash reconstruction."

The Allegheny County Medical Examiner's Office has identified the person killed as Chase Cyphers, 20, of West Mifflin. The office said he died at the hospital. 

It's unclear what led up to the crash or if any other injuries were reported. 

Brentwood police are investigating.