PORTAGE, Wis. (AP) — Sheriff’s officials say two teenagers from Sheboygan were killed when their car collided with a semi in Columbia County. The crash happened about 7 p.m. Wednesday in the Town of Marcellon near Pardeeville. Deputies arriving at the scene found the two occupants of the car, ages 15 and 17, had died. The semi driver, a 27-year-old Eau Claire man, was injured and was taken to a hospital for treatment. Authorities say the car was eastbound on Highway 33 and collided head-on with the westbound semi. The Columbia County Sheriff’s Office and the State Patrol are investigating.