March 27, 2017 11:30 pm Twin Arson Fires Under Investigation in Norton Fire officials in Norton, Massachusetts, are investigating a pair of fires that they say were intentionally set around the same time. US & World Videos 1:29 Sumner Tunnel in Boston to close for one month 2:17 Police testimony continues in Karen Read murder trial 2:03 Mass. school officials threaten to suspend student protesters 2:13 Karen Read trial Day 6: Witness testimony resumes 4:02 ‘To Catch a Contractor' series leading to changes
