A group of small businesses urged the US trade court to block President Donald Trump’s “Liberation Day” global tariffs during a court hearing that could have a major impact on the Republican’s economic agenda.

Judges at the U.S. Court of International Trade are set to hear arguments in a case challenging President Donald Trump's tariffs. The lawsuit filed by five domestic businesses argues that the law Trump invoked to impose his "reciprocal" tariffs does not actually give him the power he claims.