The World Trade Organization chief said on Thursday that any tit-for-tat trade wars prompted by U.S. President Donald Trump's tariff threats would have catastrophic consequences for global growth, urging states to refrain from retaliation.

The president said he planned to put tariffs on America’s neighbors on Feb. 1, as he signed an executive order mandating a sweeping review of U.S. trade policy.

U.S. President Donald Trump has once again made high tariffs a central pillar of his policy agenda in his second term. He announced plans to impose a ･･･

The World Trade Organization chief said on Thursday that any tit-for-tat trade wars would have catastrophic consequences for global growth in a debate where U.S. President Donald Trump's tariff threats were discussed.