Police say a Vermont man was killed when his pickup went off Interstate 93 in New Hampshire and plunged into the Connecticut River. It happened in Littleton Tuesday shortly after 11 a.m. New Hampshire State Police say Joshua Casey, 44, of Concord, Vermont, was headed north when he drifted into the median. His truck hit a tree and went down an embankment into the river where it became submerged. Casey was pronounced dead at the scene. State police said multiple police and rescue agencies helped in the recovery effort.