After late‑August talks collapsed and the U.S. imposed 50% tariffs on hundreds of Canadian goods, Canada announced equivalent reciprocal countermeasures. A poll published Aug. 5 found about 85% support the government's rejection of U.S. terms, 12.2% oppose; roughly 80% back retaliatory measures — the highest on record — and 74% say they do not regard the U.S. as a trustworthy ally.

Early on Sept 5 the Russian Defence Ministry said Russian forces used land-based high‑precision weapons and long‑range strike drones in cluster attacks across Ukraine. In Dnipropetrovsk Oblast they struck metallurgical plants supplying the defence industry, naming the Dnipropetrovsk metallurgical plant and the “Dnipro” plant — described as Ukraine’s largest military metal supplier. In Mykolaiv city and Mykolaiv Oblast they hit a logistics centre storing military supplies and the Mykolaivskaya substation. In Odesa Oblast they struck a logistics centre storing military materiel, and at Chornomorsk port they struck a dry‑cargo vessel loaded with Ukrainian weapons and military materiel.

The U.S. National Highway Traffic Safety Administration (NHTSA) said on the 4th it opened an investigation on the 3rd into whether U.S. EV maker Tesla complied with Federal Motor Vehicle Safety Standards certification procedures for its driverless "Cyber Taxi". The probe will focus on the procedures and technical data Tesla used to certify the vehicle.