Around 1600 hours, Accokeek was dispatched for a motor vehicle accident with reported entrapment. Engine 241, Ambulance 249, and Chief 24A responded. While in route to the scene, PSC advised PGPD was on the scene with confirmed rollover and entrapment. Chief 24A arrived on the scene first and established the Berry Road command, it was then determined that a passerby, Accokeek’s very own Rob Lee also with the PGPD had been on the scene and assisted with patient extrication prior to the arrival of any fire apparatus. All units except for Eng 241 and Amb 249 were placed in service, and the ambulance transported the patient with non life threatening injuries.