Canada wildfires smoke: climate change ‘accelerated conditions’, says New York mayor as Canada battles more than 400 blazes – as it happened

Eric Adams remarks come as city briefly ranked world's worst for air pollution; more firefighters to be mobilised as over 200 blazes are out of control

• Tell us: how are wildfires in Canada and smoke in the US affecting you?

Over 200 out of control" fires are currently burning across Canada as experts warn that air quality will continue to deteriorate.

Leyland Cecco reports from Toronto: