Haverhill April 8, 2021 5:10 am Ransomware Attack Closes Schools in Haverill Thursday Grades 2-4 were supposed to return to the classroom in Haverhill, Mass. on Thursday, but a ransomware attack has put all learning in the district on hold. 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