Halifax Regional Police. (SOURCE: Jack Morse)

An investigation is underway into the sexual assault of a teenager in Dartmouth on Wednesday.

Halifax Regional Police say the incident involved a 15-year-old girl who was on a path near Jayden Drive and Elwin Crescent when a stranger came up and touched her in a “sexual manner.”

The teen reported the incident to a “trusted adult.”

The suspect is described as a white man in his 40s, standing approximately 5’8″, with a stocky build.

At the time he was wearing a black t-shirt and black track pants.

Police are asking anyone with information or video from the area to call 902-490-5020. Anonymous tips can be sent to Crime Stoppers.