US President Donald Trump on Friday warned of increasing tariffs on Canada, accusing Ottawa of failing to properly manage its forests and prevent wildfire smoke from affecting air quality in American cities.

Donald Trump appears to believe Canada sent wildfire smoke to the United States on purpose.

Trump accused Canada of “willful negligence” and failing to properly maintain their forests.

Trump blamed Canada for wildfire smoke and called for more tariffs, accusing the country of mismanaging its forests.