Chelmsford February 25, 2020 3:15 pm At Least 1 Injured in Multi-Vehicle Crash in Chelmsford At least one person was injured Tuesday afternoon in a multi-vehicle crash on Route 3 north at Interstate 495 in Chelmsford, Massachusetts, according to state police. 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