BOC Governor Macklem said US tariffs and Canadian retaliatory tariffs could increase costs.

Major General Rezaei, secretary of Iran's Supreme National Security Council, wrote that opponents' efforts "will not save you from the hellish pit you have dug for yourselves" and that Iran's new battlefield, diplomatic and economic counter‑blockade strategy "will completely destroy your foundations."

EU foreign and security policy high representative Kaja Kallas said on Sept. 1 the EU will step up support for Ukraine and increase its own defence spending. After an informal meeting of EU defence ministers she said the bloc will continue providing aid to Ukraine via the Ukraine Support Loan and has so far supplied €8.37 billion (about $9.7 billion) in defence support, with further assistance planned.