Supreme Court to decide if Trump's global tariffs are legal

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The Supreme Court has agreed to hear arguments on whether the Trump administration's sweeping global tariffs are legal.

On Tuesday, it said it would review lower court decisions that found the president did not have the legal authority to enact the tariffs, which were brought in through an emergency economic powers act.

The justices said it would hear arguments in the case in the first week of November.

It will amount to the biggest test of Donald Trump's presidential authority and his signature economic policy, potentially forcing the US to refund billions in tariffs.

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