Just after 8am Engine 63-1 responded to a crash with entrapment involving a school bus in the 2500 block of Lincoln Highway E. in the Ronks section of the Township. Crews from 48 (Ronks) arrived to a 3 vehicle crash involving an overturned school bus and a tractor trailer hauling a modular home. One child had been trapped under the bus but was already extricated on our arrival. Crews assisted with on the scene in various ways. At this report 15 students and the bus driver were transported to local hospitals activating a Mass Causality level 2 response sending several heavy rescues and multiple EMS agencies to the scene. Squad 63-2 also responded and was on scene for several hours assisting with traffic control.