Update, 3:33 p.m.
Three vehicles were involved in the accident and one minor injury was reported, according to scanner reports.
A rollover accident has been reported on Interstate 95 northbound between exits 18 & 19.
The Department of Transportation traffic camera (screenshot attached) shows delays starting at Exit 18 in Westport.
According to scanner reports, the vehicle flipped onto its roof and is in the left lane. Emergency personnel are on scene, checking for injuries.