An 11-judge panel of the U.S. Court of Appeals for the Federal Circuit repeatedly questioned the administration’s use of the International Emergency Economic Powers Act to justify its so-called “Liberation Day” round of tariffs in April.

U.S. appeals court judges sharply questioned on Thursday whether President Donald Trump's tariffs were justified by the president's emergency powers, as lawyers for states and businesses challenging the measures argued he exceeded his authority.

A panel of appeals court judges on Thursday voiced deep skepticism with the Trump administration's attempt to justify sweeping tariffs based on a national emergency. As the clock ticks down to President Donald Trump's Aug.