On todays s date at approximately 1530 the Company along with CCDES P1 were alerted for a MVC with vehicle reported overturned at Aiken Ave. and Rt 40. Ambulance 691 and Rescue 6 w/ 5 called enroute shortly after.On arrival found 3 vehicles on of which had rolled and landed on the front of another with all patients out of the vehicles. 691's crew went to work immediately evaluating and prioritizing patients for treatment prior to the arrival of 692. R6 crew checked vehicles for hazards, with none found, crews assisted with patient care and packaging. 691 transported 2 patients pri 2 to Christiana and 692 transported 2 pri 3 patients to Upper Chesapeake. R6 cleared.