LaSalle police are investigating a knife-point robbery at a GOCO gas station along Front Rd.
Officials say a 15 or 16-year-old demanded cash from the clerk while flashing a weapon around 7am, Wednesday.
The teen is described as a white male, wearing a blue or gray striped hoodie, jeans and a dark toque at the time.
Anyone with information is asked to call LaSalle police or Crime Stoppers.