Police are looking for a suspect after a knife-wielding man sexually assaulted a 16-year-old girl in East York Monday night.

Police said the teen was walking in the Broadview and Mortimer avenues area when a man asked her for a light around 9 p.m. on Nov. 12.

As the girl approached the man, he pulled her into a nearby laneway, threatened her with a knife and sexually assaulted her.

He was last seen walking south on Broadview.

The suspect is white, about 40 years old, six-feet to 6’1” tall with facial stubble. He wore dark baggy sweatpants, a button-up shirt and a dark jacket.

Anyone with information is asked to call the sex crimes unit at 416-808-7474 or Crime Stoppers at 416-222-TIPS (8477).