Saint John police are turning to the public for help to find a missing 15-year-old girl.

Alexis Middleton was last seen in the 300-block of Dufferin Row on July 28.

In a news release on Tuesday, police said they are concerned for her well-being.

Middleton is described as five-foot-two, weighing 100 pounds, with brown shoulder-length hair that has faded red colour in it.

She was last seen wearing a black sweater and carrying a black duffle bag.

Anyone with information is asked to contact the Saint John Police Force at -506-648-3333 or Crime Stoppers at 1-800-222-8477.