Washington, July 25 -- US President Donald Trump on Sunday shared an artificial intelligence-generated image depicting a massive air filter along the US-Canada border, escalating his criticism of Canada over wildfire smoke drifting into the United States.

The image, published on Trump's Truth Social platform, displays a giant filtration barrier dividing the two nations beneath a sign that reads, "North America. Air Filter Barrier. Clean Air. Clean Borders."

Trump's post follows his recent threat to impose tariffs on Canada regarding smoke from its wildfires, accusing Ottawa of allowing polluted air to cross the border.

Speaking to reporters aboard Air Force One earlier on Sunday, Trump stated that he had discussed the matter with Canad...