The Medical Officer of Health has issued an Extended Heat Warning for Sarnia-Lambton. blackburnnews.com/sarnia/sarnia-… https://t.co/tL8MGZpEoX

The Medical Officer of Health has issued an Extended Heat Warning for Sarnia-Lambton. blackburnnews.com/sarnia/sarnia-… https://t.co/tL8MGZpEoX