Lower federal courts ruled that President Trump did not have authority under the law he cited to imposed reciprocal and fentanyl tariffs on imports.

The Supreme Court is set to hear arguments this week on President Donald Trump's authority to impose sweeping tariffs.

Lower federal courts ruled that President Trump did not have authority under the law he cited to imposed reciprocal and fentanyl tariffs on imports.

President Donald Trump calls the Supreme Court case on his tariffs a matter of "life or death" for the United States.

Hearing the case challenging the legality of the tariffs imposed by the US president, the judges expressed sharp criticism of the government's trade policies.