The Supreme Court on Wednesday heard arguments in a lawsuit challenging whether President Donald Trump has the authority to levy tariffs.

The top US court will decide if many of Trump's tariffs are legal in a case with major implications for presidential power and billions of dollars.

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

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

The Supreme Court considering Trump's tariffs marks the first major test of his agressive assertion of presidential powers before the high court.

The Supreme Court on Wednesday heard arguments in a lawsuit challenging whether President Donald Trump has the authority to levy tariffs.

Donald Trump's use of tariffs in the last nine months was sharply questioned during arguments before the Supreme Court.

Even if the high court rules against Trump, Treasury Secretary Scott Bessent has said the president will find another way to impose tariffs.

Trump's administration is trying to defend his tariffs after lower courts ruled that he had exceeded his authority.

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.