A Mankato teen was seriously injured early this (SAT) morning after losing control of his vehicle on Highway 66 near St. Clair. It happened at about 1:20am at the intersection with Indian Lake Road. 19-year-old Sebastian Gilbertson was southbound on 66 when he lost control of his Chevy Blazer and the truck entered the ditch and rolled. Gilbertson was not wearing a seatbelt, and was ejected from the vehicle. He was taken to the Mankato Mayo Hospital with injuries that are said to be non life-threatening. Alcohol was detected in his system. The Blazer was totaled.