A section of westbound Highway 401 in Clarington remains closed after a loose tire came off a vehicle and struck a passing vehicle.Ontario Provincial Police (OPP) officers were called to a stretch of the highway near Newtonville Road just after 11:30 a.m. on Monday.Police say a vehicle was travelling east when it lost one of its wheels that then crossed into the westbound lanes, hitting another vehicle.The driver and passenger in the westbound vehicle were taken to hospital, OPP say, with one seriously hurt and the other with minor injuries.The highway was closed both ways at Mill Street but the eastbound lanes have since reopened. The westbound lanes remain closed.#listen-box { box-shadow: 0 0 0 0 rgba(0, 0, 0, 1); animation: pulse 2s infinite; margin: 20px; padding: 15px;}@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(200, 16, 46, 0.7); } 70% { box-shadow: 0 0 0 10px rgba(200, 16, 46, 0); } 100% { box-shadow: 0 0 0 0 rgba(200, 16, 46, 0); }} CLICK HERE TO LISTEN TO 680 NEWSRADIO TORONTO’S LIVE TRAFFIC UPDATES!