Hamilton 
Environment Canada is warning of the risk of tornadoes forming in southwestern and south central Ontario.
The agency calls it a dangerous and potentially life-threatening situation.
Severe storms are also in the forecast amid heat warnings.
Environment Canada urges people to take cover immediately if threatening weather occurs.
The agency advises going to the lowest room, away from outside walls and windows.
It notes lightning kills about 10 people every year.
© The Canadian Press
