The Globe and Mail reports in its Friday edition that a U.S. federal appeals court is temporarily leaving in force President Donald Trump's sweeping tariffs on imports, upending a lower-court ruling the day before that declared tariffs brought in under national emergency powers unlawful. The Globe's Adrian Morrow and Steven Chase write that the Court of Appeals for the Federal Circuit in Washington on Thursday stayed a ruling by the U.S. Court of International Trade from the previous day that ordered a halt to many of Mr. Trump's tariffs. The stay will last while the appellate court decides on a request by the Trump administration to continue collecting tariffs during the appeals process. These latest developments set up a legal battle over the centrepiece of Mr. Trump's global trade war. Prime Minister Mark Carney welcomed the trade court decision, which found Mr. Trump overstepped his authority by using the International Emergency Economic Powers Act to impose tariffs on nearly every country in the world, saying it vindicated Canada's position. Mr. Carney said the tariffs imposed under the emergency law "were unlawful as well as unjustified." Remaining, however, are tariffs on Canadian steel, aluminum and autos.