Toronto Police are looking for a suspect in a sexual assault investigation. According to authorities, around 3:15 p.m. Wednesday, a 19 year old woman was on a TTC express bus travelling southbound on Highway 27 from Humber College Boulevard to the Kipling Subway Station. She was allegedly sexually assaulted by a man standing next to her. He was last seen boarding a bus at the Kipling subway station. The suspect is described as brown, 18-25 years old, 5’8-5’9, slender build, short, black, gelled hair and unshaven. He was wearing dark jeans, a red hoodie and white ear buds. Anyone with information is asked to call police at 416-808-2200, or Crime Stoppers at 416-222-TIPS (8477).