An evacuation train in Ontario became trapped by rapidly advancing wildfire as Canada faces its most severe fire season in decades. With over 3,000 active wildfires burning across the country this summer, emergency services are struggling to contain the unprecedented blazes. The catastrophic situation threatens cross-border air quality, with toxic smoke expected to drift into neighboring US states and affect millions of residents. Environmental officials warn that climate conditions continue to fuel increasingly dangerous fire conditions.

Summary auto-generated by AI from the original publisher's content. Editorial standards.