The proposed tariffs, if enacted, would raise annual spending costs for consumers by $835 per American, ING Economics estimated.

Investors bought dollars, sold stocks and fretted about inflation on Monday in a scramble to assess the risk of trade war after Donald Trump put tariffs on top U.S. trading partners.

Canada is Ohio's largest trading partner. The tariff fight between the U.S. and Canada will likely affect workers, consumers and businesses.

A deadly railway station collapse has prompted months of large protests in Serbia. The governing party criticized the state-controlled broadcaster for covering them. Secretary of State Marco Rubio visited Panama and escalated the confrontation over the Panama Canal. He accused the country of letting China control it.

What to know as President Donald Trump imposes steep new tariffs on imports from Canada, Mexico and China, prompting retaliation and countermeasures.

Wall Street opened lower after Trump's tariffs on Mexico, Canada and China, sparking fears of trade wars that'll slow economies and ignite inflation.

Business groups, economists and even some Republicans cautioned that new tariffs on goods from Canada, Mexico and China could undercut U.S. industry and the economy.