Trump has said the tariffs are essential to reduce America's longstanding trade deficits. He imposed duties under Section 122 of the Trade Act of 1974 after the Supreme Court struck down tariffs he imposed last year under an emergency powers law.

Twenty-four U.S. states file a lawsuit to block Trump’s new tariffs, claiming they violate legal authority and seek refunds.

Some two dozen states challenged President Donald Trump’s new global tariffs on Thursday, filing a lawsuit over import taxes he imposed after a stinging loss at the Supreme Court. The Democratic attorneys general and governors in the lawsuit argue that Trump is overstepping his power with planned 15% tariffs on…

European leaders and businesses have responded to the US Supreme Court's decision to rule many of US President Donald Trump's tariffs illegal with both cautious optimism and deep uncertainty.