Massachusetts October 11, 2017 11:20 pm Mass. House Approves Bump Stock Ban The Massachusetts House of Representatives moved to ban bump stocks, which let semi-automatic guns mimic fully automatic guns. US & World Videos 2:09 President of MIT calls for shutting down pro-Palestinian encampments 1:00 Three dead in apparent murder-suicide in Lowell 3:05 100 protesters detained at Northeastern University 2:39 Community mourns police sergeant killed on duty 2:50 Community mourns Billerica police sergeant killed on duty