A crash involving two Montgomery County police officers on motorcycles blocked traffic on I-95 southbound in Philadelphia Thursday morning.

Chopper 3 was over the highway as a group of officers on motorcycles took part in a motorcade heading to the WMMR radio "Camp Out for Hunger" event.

As the motorcycles passed Washington Avenue just before 8 a.m., the footage shows one motorcycle officer appear to brush against or strike a van that was disabled on the shoulder. A Pennsylvania State Police spokesperson said investigators believe the van door swung open as the officers went by, causing the officers to lose control and crash.

The chopper video shows one officer appear to lose control of the bike, fall into the roadway and into the path of another motorcycle officer, who then struck the

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