Environment Canada advised of the threat of severe thunderstorms once again Friday.
The national weather agency issued a severe thunderstorm warning for Sarnia-Lambton at around 4:20 p.m. However, the warning ended just before 5:20 p.m.
It said the cluster of storms extended from Watford to the Oil City area and was capable of producing heavy rain.
Locally heavy rainfall with amounts of up to 50 mm was possible, and residents were urged to keep an eye out for funnel clouds.
While a cashier was scanning items, the man reportedly took out a firearm and demanded that they put the items into a brown paper bag.
Police are appealing for witnesses or dashcam footage
Lambton County OPP say the investigation is continuing
Point Edward virtuoso harmonica player Mike Stevens is among 83 people appointed to the prestigious Order of Canada.
Canada Day festivities are planned for Tuesday in Petrolia, Forest, Port Franks and Grand Bend.
Shortly after 6 p.m. Sunday, Sarnia police responded to reports of a man walking into traffic on Christina Street near Wellington Street, and threatening random people on the sidewalk.
