At 9:19 hours, Fire 53, Fire 50 (Vigilance Hose Company) and EMS 17 (Bethlehem Twsp) were alerted for a 4 vehicle accident involving an overturned dump truck with entrapment. Rescue 5341 (Capt Suhr) responded with staffing of 4. Additional information was provided downgrading the call to negative entrapment. 5341 arrived on scene, 5354 established 53 Command confirming the updates and added F50 /F54 (Upper Nazareth Fire Dept) to assist with road closures in the area. Rescue 5041 arrived, crews assisted 5341 crew with hazard control and debris cleanup. EMS transported the injured parties to a local hospital for evaluation. PennDot assisted with the road closures in the area.