The Toronto Police Service is asking for the public's help in identifying the suspect in a recent sexual assault.

Police say a man followed the victim off a TTC bus and into her apartment building in the Jane Street and Sheppard Avenue West area before sexually assaulting her in the building's elevator on Friday.

The suspect is described as a black male with a dark complexion between 18 and 20 years old. He is about five feet six inches tall with a slim to average build. He was wearing a dark-coloured cap, a dark face covering, a white hooded sweatshirt, a black vest, dark pants and dark sneakers.

Anyone with information is asked to contact police at 416-808-3100 or Crime Stoppers anonymously at 416-222-8477.