Canada’s international trade deficit swelled to $6.3 billion in August, its second-largest shortfall on record, as new United States tariffs took a heavy toll on key exports and injected fresh volatility into cross-border flows. The latest figures, released by Statistics Canada, show how US trade policy continues to affect Canadian exporters and make the Bank of Canada’s next interest rate decision more complicated. Exports in August fell 3% by value and 3.2% in volume, led by sharp declines in copper ore and lumber shipments, both of which were hit by new US tariffs. …Imports, meanwhile, rose 0.9%, buoyed by higher consumer goods, a sign of resilient household demand, even as business investment remained soft. …Exports to the US, Canada’s largest trading partner, fell 3.4% in August after three consecutive monthly gains, and were down 8% year-over-year. Exports to non-US destinations edged up 1.8% from a year ago but slipped 2% from July.