By Tom Käckenhoff and Christoph Steitz DUESSELDORF/FRANKFURT (Reuters) -Salzgitter, Germany's second-biggest steelmaker, warned on Monday that Washington's tariff policy was dealing a severe blow to European industry,

Experts, lawmakers, and industry people—alongside Canadian officials—have issued stark warnings about Trump's plan.

President Donald Trump warns of economic ruination if courts rule against his tariffs after the U.S. Court of International Trade blocks emergency import taxes.

The U.S. dollar fell against other major currencies on Monday, giving up some of the previous week's gains, as markets weighed the outlook for President Donald Trump's tariff policy and its potential to hurt growth and unleash inflation.

ABC News’ Senior White House Correspondent Selina Wang reports on the legal challenges Trump’s tariffs have faced.