Lambton Ontario Provincial Police (OPP) have lifted a Hold and Secure and Shelter in Place order for people living on Walpole Island.
It was issued Sunday morning as officers were conducting a weapons investigation.
Walpole Island First Nation Council said on social media that it was an active shooter investigation.
Further details, including possible injuries or charges were not immediately available.
OPP have closed Hwy. 402 westbound between Centre Road and Kerwood Road until Thursday morning to clean up the spill.
Lambton OPP are asking the public to help identify a driver who ran a stop sign and failed to remain at the scene of a crash in St. Clair Township.
In an email to Sarnia News Today, police said there were a few notable calls, including a disturbance in the area of Brock Street. and Cromwell Street.
Sarnia police have issued tickets to numerous motorists who were spotted driving past road closure signs on Lakeshore Road Wednesday afternoon.
Forecasters said isolated thunderstorms were expected to develop in the afternoon and track over the area.
The Sarnia Sting made two picks in Wednesday's Canadian Hockey League import draft.
