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The president said the levies will take effect in 30 days unless Canada drops what the administration called "discriminatory" trade barriers against U.S. products.

Ukraine's long-range drone attacks, including strikes this weekend on e-commerce warehouses, have undercut the Kremlin's efforts to shield most Russian citizens from the war.

Andy Burnham, until recently the mayor of Greater Manchester, has replaced Keir Starmer as head of the Labour Party. Burnham became prime minister Monday.

An intensifying cycle of violence has left at least three U.S. service members dead since the resumption of hostilities a week ago.

The incoming prime minister takes office Monday with little foreign policy background and daunting global challenges to confront.

Kuwait said there had been an attack on a power and desalination plant, as the seventh consecutive day of clashes between the U.S. and Iran leaves the path to a longer-term peace deal unclear.

The smoke pouring into the U.S. made Detroit, Chicago and D.C. among the world's most polluted major cities as of early Friday.

The White House did not respond to questions about what legal mechanism he would use to impose the tariffs or how the administration would calculate the rate of the levies.

The attacks on Iran's infrastructure came on the sixth consecutive day of U.S. strikes. A retaliatory attack by Iran caused damage to a power and desalination plan in Kuwait.

As unmanned aerial vehicles target Israel, Persian Gulf states and U.S. forces in the Middle East, Ukraine is selling equipment, giving advice and establishing joint production lines.