In a 6-3 vote, the conservative-led High Court disputed Trump’s argument that a 1970s law gave him the power to impose tariffs

The decision is a stinging defeat for Trump — and three conservative justices voted against him.

The decision is a significant loss to US President Trump on an issue that has been critical for his economic agenda.

Ruling is blow to Trump’s bold assertions of authority and topples key pillar of aggressive economic agenda

Trump, as recently as Thursday, has talked up the consequences of the Supreme Court striking down his tariffs prior to the seismic ruling.

The Supreme Court ruled against a centerpiece of President Donald Trump's tariff agenda on Friday. Consumers could save money as a result, economists said.

Refunds for importers and negotiations for new trade deals are among issues to watch after the Supreme Court overturned Trump's tariffs.

The Supreme Court has weakened Trump's hand in dealing with other nations, writes Anthony Zurcher.

In a 6-3 ruling, justices upended the Trump administration’s signature economic policy, potentially putting the US government on the hook for at least $175 billion in tariff…

The ruling opens the door to potentially hundreds of billions of dollars in tariff refunds.

In a 6-3 vote, the conservative-led High Court disputed Trump’s argument that a 1970s law gave him the power to impose tariffs

The U.S. Supreme Court ruled Friday that President Donald Trump improperly applied the Emergency Economic Powers Act to impose broad tariffs.

In a 6-3 decision, the justices held that Trump’s tariffs were not permitted under the International Emergency Economic Powers Act

The US Supreme Court ruled that 'reciprocal' tariffs imposed by the American president were illegal.

Businesses, investors and households could face a period of fresh uncertainty following the decision in the US’s highest court

6-3 ruling against unilateral imposition of tariffs without congressional approval labelled a ‘disgrace’ by Trump

Supreme Court blocks Trump's emergency tariffs, but he plans to invoke other laws to maintain and raise tariffs.

The case is the first major challenge to Trump’s agenda, but he still has other avenues to pursue trade restrictions.

The decision adds to economic uncertainty, as deals Donald Trump struck with other countries are upended

The Supreme Court's decision has led questions over whether people can get a refund over the unlawful tariffs.

Mr Trump’s ‘reciprocal tariffs’, imposed under an emergency powers law, were overturned by the US Supreme Court