Canadian Prime Minister Justin Trudeau said his country would respond if President Donald Trump pressed ahead with his threat to impose tariffs on the US’s northern neighbour. “Canada provides many of the necessary inputs that the American economy is going to need,” he said on Tuesday morning.

President Donald Trump said he would ask Saudi Arabia and other OPEC nations to “bring down the cost of oil” and reiterated his threat to use tariffs to bring manufacturing back to the US as he addressed world leaders gathered in Davos on Thursday.

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Watch live as President Donald Trump announces investments worth up to $500 billion for infrastructure tied to artificial intelligence by a new partnership formed by OpenAI, Oracle and SoftBank.

President Donald Trump announced a joint venture to fund artificial intelligence infrastructure worth billions of dollars with the leaders of Softbank Group Corp., OpenAI LLC, and Oracle Corp., an effort aimed at speeding development of the emerging technology.

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Get real-time updates on international politics, economic changes, conflicts, and environmental issues. Access the latest breaking news and in-depth stories as they happen, keeping you informed of events shaping the world.

President Trump stated that without his help, the hostage deal would not have materialised, and blamed Biden for the delay in the return of hostages

US President Donald Trump on Tuesday said he likes both sides of the argument on H-1B foreign guest workers' visa, noting that he likes "very competent people" coming into the country and that he has used the programme.

President Donald Trump said he was still considering putting a 10 per cent tariff on imports from China on February 1, repeating a threat he made on the campaign trail. His comment came one day after he ordered an investigation into Chinese trade practices but held off on announcing any new tariffs.

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Eighteen US states led by New Jersey as well as the District of Columbia and the city of San Francisco on Tuesday filed a lawsuit alleging that Trump’s order violated the constitution’s Fourteenth Amendment, which says that all “persons born or naturalised in the US . . . are citizens of the United States”.