Today, Friday around noon there was a crash involved a tractor trailer and a medical transport unit. It happened on I-95 in the Westwood (near Boston) area. Reports are there were ejections and entrapment. Multiple resources assisting including a medical helicopter. State police said multiple people were removed from the Brewster wheelchair transport vehicle and transported to Boston area hospitals. Video from the scene showed multiple Firefighters working on the front end of the ambulance, appearing to try and rescue the person inside of the chair car. Another occupant was extricated from the vehicle and flown to a Boston area hospital. Ambulance crews from Dedham, Westwood and Norwood were on scene.