Natalie Sherman
BBC News, New York
Jake Lapham
BBC News, Washington DC
EPA
US President Donald Trump has raised the tariff on Canada to 35%, escalating a trade war with one of Washington's key economic partners.
Trump said Canada had "failed to cooperate" in curbing the flow of fentanyl and other drugs across the US border, something Prime Minister Mark Carney insisted earlier this month his country was making "vital progress" towards.
But most goods from Canada will dodge the high rate imposed by the US, thanks to the existing trade treaty called the United States-Mexico-Canada Agreement (USMCA), according to the Royal Bank of Canada.
The president also announced sweeping tariffs on dozens of countries, as he continued his drive to remake how global trade operates.
Nearly 90% of Canadian goods imported into the US are exempted under the free trade deal, including fresh produce, energy exports and many industrial goods, RBC said.
However, some imports like dairy products, wood and leather may still face tariffs depending on how talks shape up.
The decision, contained in an executive order, increases the rate from 25% and came into effect at 00:01 US East Coast time (05:01 BST) on Friday.
As the clock ticked towards Trump's Friday deadline to strike trade deals, he announced goods from Mexico would be charged at current rates for another 90 days, avoiding a threatened increase to 35%.
However senior White House officials said their Canadian counterparts were less constructive in negotiations than Mexico, prompting the 35% tariff on Ottawa.
Other countries affected by the so-called "reciprocal" tariffs will have seven days before they kick in.
Goods that are loaded onto ships by 7 August and those that are already in transit will also not be affected by the rates if they reach the US before 5 October.
Published by the White House, the orders leave most goods coming into the US facing new taxes of between 10% and 50%.
Few nations have been spared in the latest list of tariff rates. Even small economies like Vanuatu and Papua New Guinea in the Asia-Pacific region were issued 15% duties.
Countries not mentioned on the list face baseline duties of 10%.
The tariffs, which are a tax on imports, hit Asian countries hard.
Two major trading partners in the region - India and Taiwan - were hit with levies of 25% and 20% respectively.
Taiwan's President Lai Ching-te said the levy was only "temporary", vowing to complete talks with Washington for a deal.
And land-locked South East Asian nation Laos is facing the second-highest rate in this round of tariffs. At 40% it sits just behind Syria's unenviable 41%.
A day earlier, Trump reached a deal with South Korea, imposing a 15% tariff on its imports in return for investment in the US and other concessions.
Economists and financial analysts have warned that the new levies will raise prices for businesses and consumers in the US and weigh on the economy, predictions that the Trump administration has dismissed.
White House press secretary Karoline Leavitt told reporters on Thursday that Trump was "proving the so-called economic experts wrong at every turn".
"What we are watching is President Trump rebuilding the greatest economy in the history of the world," she said.
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Protests against Trump's tariffs took place in South Korea this week
The escalation of the tariffs had been telegraphed for months, starting when Trump unveiled sweeping "reciprocal" tariffs in April, saying they would rebalance global trade flows and reduce America's trade deficit - the gap between what it buys and sells abroad.
The measures added to separate levies targeting key sectors such as steel, aluminium and cars.
After turmoil in financial markets, he suspended some of the most punishing measures, inviting countries to negotiate, while leaving in place a 10% duty on most products.
More than 200 countries reached out to the White House in the months following, according to Trump administration officials, though some struggled to get attention.
Trump officials ultimately reached rough "framework" agreements with eight trade partners, including the UK, China, Japan and European Union, which set tariff rates in exchange for promises of investment in the US or other concessions.
But key aspects of those agreements remain unresolved. Talks with other countries, such as India ended without terms. Trump has said India will face a 25% levy on its goods, plus an unspecified "penalty" for its dealings with Russia.
Up until nearly the last moment, many countries were still waiting word on what new tariff rates the administration had settled on.
In a post on social media, Swiss President Karin Keller-Sutter said she had a last-minute phone call with Trump, which ended without an accord.
"The trade deficit remains a central concern of his," she wrote. Switzerland ended up with a 39% tariff.