At least 9 killed as fast-moving severe thunderstorms hit the most populated part of Canada, leaving 1 000 km of damage
A line of fast-moving severe thunderstorms (derecho) swept over southern Ontario and Quebec – the most populated part of Canada – on May 21, 2022, leaving roughy 1 000 km (620 miles) of damage in its wake and at least 9 people dead. It developed near Sarnia, Ontario late Saturday morning and tracked northeast over southern Ontario toward Ottawa in the afternoon.










