Lambton OPP officials allege: The Ontario Provincial Police (OPP) Lambton County Crime Unit is currently investigating an armed robbery that occurred Tuesday night at a convenience store located in Petrolia.

At approximately 11:41 p.m., a masked male entered into the convenience store armed with a weapon and committed a robbery.

Upon leaving the store, it is believed the suspect entered into an older model, green pickup truck and fled the scene in an unknown direction.

OPP Emergency Response Team (ERT) members and OPP Canine attended the scene however the suspect was not located.

The suspect is described as a white male, about 6′ tall with a medium build and short dark hair. He was wearing a black & grey face mask, a dark-coloured three-button style sweater, dark pants and white Nike running shoes.

Photos of the suspect and suspect vehicle have been provided:

The Lambton County OPP Crime Unit is continuing to investigate and is seeking assistance from the public.

If anyone has any knowledge of this incident they are asked to call the Lambton County OPP Crime Unit at 519-882-1011 or 1-888-310-1122.

Should you wish to remain anonymous, you may call Crime Stoppers at 1-800-222-TIPS (8477), where you may be eligible to receive a cash reward of up to $2,000.