President Trump said the United States would send out letters telling other countries “what they have to pay,” even as other officials said negotiations could be extended past a July deadline.

Tariff negotiations with the Trump administration are running into roadblocks, as partners including Japan, India and the European Union balk at signing deals without knowing how badly they’ll be hit by separate levies on exports including chips,

By David Lawder, David Ljunggren and Susan Heavey WASHINGTON (Reuters) -U.S. President Donald Trump abruptly cut off trade talks with Canada on Friday over its tax targeting U.S. technology firms, saying that it was a "blatant attack" and that he would set a new tariff rate on Canadian goods within the next week.