One person was killed when an Amtrak Downeaster train heading to Boston hit a truck in North Berwick on Thursday afternoon. Police said Route 4 in North Berwick was closed near the train tracks, with the train remaining in place for hours after the crash. The police chief told WMTW-TV the driver of the vehicle was pronounced dead at the scene and there were no other occupants. He said the investigation is still in the early stages.