The United States has imposed a 50% tariff on $20bn (£14.6bn) worth of goods from Canada, which has vowed to retaliate against its historic ally.

The US Supreme Court has allowed Donald Trump’s administration to continue construction on his $400m (£293m) White House ballroom project for now, temporarily pausing a judicial order that was set to halt much of the building work.

TikTok has reached a $400m (£293.2m) settlement with the US Department of Justice (DoJ), ending a 2024 lawsuit alleging the company violated federal children’s privacy laws.