St. Thomas police are asking for help as they search for a missing teenager.

Trystin Mulhern, 13, was reported missing to the St. Thomas Police Service Friday morning. He was last seen around 9 a.m. Wednesday and was last spoken to over the phone around 2 p.m. the same day.

Police said he has ties to the London area.

Anyone who sees him or knows where he might be is asked to contact St. Thomas police at 519-631-1224.