Toronto Police are hot on the trail of a west-end pervert.

Officers from 11 Division are warning area residents of a man who was caught taking cell phone photos of a woman using a bathroom stall.

Detectives said the incident occurred on March 22 around 5:35 p.m., when an 18-year-old woman was at The Crossroads Plaza, in the Bloor St. and Dundas St. W.

“She went into the women’s washroom and entered a stall,” police said in a public safety alert. “There was another person next to her in another stall and unbeknownst to her the other occupant was a man.”

Police said “a cellphone was held under that stall walls to record her.”

“She acted in surprise and the man ran away,” according to the alert.

Security images of the suspect has been released.

Anyone with information is asked to contact police at 416-808-1100, Crime Stoppers anonymously at 416-222-TIPS (8477), online at www.222tips.com, text TOR and your message to CRIMES (274637), or Leave A Tip on Facebook. Download the free Crime Stoppers Mobile App on iTunes, Google Play or Blackberry App World.