A US-Canada trade truce collapsed, and 50% US tariffs on C$20 billion of Canadian goods are now in force; Canada says it will match them dollar-for-dollar.
The US is asking allies and China to join tougher sanctions on Iran, but China has refused, and shipping through the Hormuz Strait, a key oil route, has dropped sharply.
A Russian missile and drone attack hit Kyiv, Ukraine's capital, overnight, killing at least 12 people and wounding 33 in one of the deadliest strikes on the city this year.
Tensions in the Gulf, the waters between Iran and the Arab states, are rising: Chinese tankers are avoiding the Strait of Hormuz, and the United Arab Emirates cut trade with Iran after an Iranian missile landed in its waters.
Ukraine fired around 620 drones at Moscow, one of the war's biggest attacks, while Iran vowed to keep the Strait of Hormuz — a narrow waterway carrying much of the world's oil — closed until the US meets old conditions, and markets fell.
On 17 August 2026, the US cut back joint military exercises with South Korea after Seoul would not help pressure Iran, and threatened to bomb Oman over the same issue, while Canadian provinces held firm against US tariff demands of up to 50%.
Russia and Ukraine each launched record drone attacks overnight: Russia faced its biggest barrage yet on Moscow, while Ukraine sent up to 800 drones into Russia, killing at least six people.
President Trump says he will declare the Strait of Hormuz, the narrow sea passage that carries about a fifth of the world's oil, as United States territory.
The United States is sending a second aircraft carrier toward the Middle East and preparing new sanctions on Iran, as fewer ships pass through the Strait of Hormuz, the narrow waterway carrying much of the world's oil.
Russia struck Izmail, Ukraine's main Danube River port, damaging grain export facilities, while Kyiv hit an oil refinery inside Russia.
Ukraine's president says he has sent the United States formal proposals to end the war, even as Russia steps up pressure through airspace incursions NATO calls deliberate tests, attacks on Ukrainian grain ports, and threats to seize European Union-flagged ships.
Russia fired missiles that Ukraine says came from North Korea at the city of Zaporizhzhia, killing at least six people, a sign North Korea's support for Russia now includes missile technology.