Somerville January 16, 2019 4:44 am Somerville Police Investigating Overnight Hit-and-Run Police are investigating a hit-and-run after a person was struck by a vehicle in Somerville. US & World Videos 3:13 Weather forecast: Clear and sunny, with temps in the 70s 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