Boston April 24, 2019 11:26 pm Teen Airlifted After Falling Off Truck in Tyngsborough A 17-year-old was airlifted with life-threatening injuries after falling from a truck that was doing donuts, police said. US & World Videos 2:31 Fallen Billerica Police Sgt. Ian Taylor honored at vigil 2:39 MIT president calls for shutdown of student encampments 0:16 4 people seriously hurt after boat sinks off Cape Cod 2:35 Fallen Billerica police sergeant honored during vigil 2:09 President of MIT calls for shutting down pro-Palestinian encampments