A motorcyclist is in hospital with critical injuries following a crash on Highway 401 in Whitby on Saturday afternoon. Ontario Provincial Police say it happened in the eastbound lanes near Brock Street around 2:50 p.m. The motorcyclist, a man in his 20s, was airlifted to Sunnybrook Hospital, Ornge told CP24. The cause of the crash is under investigation. The highway was briefly closed in both directions.