Update at 11:05 a.m. — All traffic is being diverted onto King Street and being re-routed back onto I-395 past the accident scene. Expect major backups.
As of 10:30 a.m., northbound I-395 was shut down at King Street due to an accident involving an overturned vehicle.
Arlington firefighters on the scene report three injuries, including two with head injuries. All of the injured people were responsive, firefighters said.