WorldCanada wildfires: Smoke blankets Toronto and spreads across US as crisis grows

Canada is confronting more than 800 active wildfires, forcing thousands of people to evacuate as flames destroy homes and entire communities. Dense smoke has covered Toronto and moved into the United States, worsening air quality in cities including Detroit, Boston and Washington, DC. Indigenous leaders say some First Nations communities have been devastated. Residents are increasingly worried about health dangers connected to the smoke and hazardous air. Experts are warning about the worsening conditions.