LOGAN, Utah (AP) — A semitrailer truck collided with a car in a winter storm in northern Utah, triggering a chain reaction that involved six vehicles and sent 18 people to the hospital. Utah Highway Patrol Trooper Todd Royce says the southbound lanes of U.S. Highway 89 south of Logan were closed for about two hours late Tuesday afternoon, but no one suffered any life-threatening injuries. Royce reported "whiteout conditions" in the driving snow at about 3:30 p.m.Read more on NewsOK.com