Toronto police have released images of a person of interest in connection with the sexual assault of a 22-year-old woman aboard a TTC subway train Sunday morning.

Police said the victim was travelling on the Sheppard Line when she was sexually assaulted at around 9:30 a.m. in the Bayview Avenue area. Following the assault, police said the man showed her a weapon.

On Monday, police released security camera images of a person of interest in connection to the incident.

He is described as brown, approximately 30 years old, five-foot-seven, with short, curly black hair and a distinctive discolouration on both hands.

He was last seen wearing a black coat and black pants.

Anyone with information is asked to contact police at 416-808-7474 or Crime Stoppers at 416-222-TIPS (8477).