A federal court on Wednesday blocked President Donald Trump from imposing sweeping tariffs on imports under an emergency-powers law, throwing into doubt Trump’s signature set of economic policies.

The White House says it will appeal a court ruling which found Trump did not have the authority to impose sweeping tariffs.

Government lawyers said they would appeal a trade court ruling nullifying most of Trump's tariffs, but markets and foreign leaders await his reaction.

A federal court in New York handed President Donald Trump a big setback Wednesday, blocking his audacious plan to impose ...