Thunderstorms, rain looming for Toronto as heat warnings hit southern Ontario

Videos shared from across the region showed streets overwhelmed by rain and hailstones falling in a matter of minutes.

Weather office issues multiple emergency alerts as police responded to multiple reports of downed power lines and hail pummelled neighbourhoods in the north

What to know Toronto is bracing for a potentially dangerous round of thunderstorms Wednesday, with heavy rain, damaging winds and a risk of tornadoes expected

The Toronto and Region Conservation Authority says there's a higher potential for flooding in its river systems. It also warned that its watersheds are already saturated.