Toronto police are asking for the public’s help identifying a suspect after a man was sprayed with a noxious substance in an unprovoked attack on a TTC subway train last week.

Police said two men, who were unknown to each other, were on board an eastbound subway train between Donlands and Greenwood Stations on Line 2 Bloor-Danforth on the evening of Feb. 28.

“Without provocation, one man sprayed the other man in the face with an unknown, pepper-spray-like substance,” police said.

The suspect allegedly sprayed him again each time the victim stepped away.

A week after the attack, police released a photo of the suspect in an effort to identify and locate him.

He is wanted for three counts of administering a noxious substance.

He is described as between 35 and 45 years old, six-foot-tall with a medium build, short brown hair and a greying goatee.

Police said he was last seen wearing a black North Face jacket with a white logo on the left breast, left sleeve and middle back, black pants, black gloves and tan-coloured footwear.

Anyone with information is asked to contact police at 416-808-5500 or Crime Stoppers anonymously at 416-222-TIPS (8477) or www.222tips.com.