Toronto police have released a composite sketch of a man wanted in connection with the sexual assault of a 14-year-old girl in Parkwoods last week.

It happened in the Cassandra Boulevard and Welsford Gardens area at around 8:30 a.m. Thursday.

According to police, the teen was approached from behind by an unknown man, who put his armed around her shoulder and threatened her if she tried to escape.

She was sexually assaulted as the two walked side by side, police said.

A composite sketch was released Monday afternoon. A suspect description was not provided by police.

Anyone with information is asked contact investigators at 416-808-3300 or Crime Stoppers at 416-222-TIPS (8477).