Cryptocurrencies tumbled on Sunday in a risk-off move after President Donald Trump hit Canada, Mexico and China with long-threatened import tariffs.

SINGAPORE/PARIS (Reuters) -Cryptocurrency prices slid on Monday, with bitcoin at a three-week low, as the risk of a trade war spooked investors and caused a selloff across financial markets. Bitcoin,

Iron ore and aluminum led metals lower after President Donald Trump imposed tariffs on China, Canada and Mexico, threatening a trade war that could sap global economic growth.

China chose swift retaliation for trade measures in the first Trump administration, but that led to an upward spiral of trade measures and much broader tariffs.

In a Saturday opinion piece, The Wall Street Journal editorial board condemned Trump's trade plans, arguing that his 25 percent tariffs on Canada and Mexico could severely damage

A hiss and puff of compressed air shapes the smooth leather, bringing to life an all-American cowboy boot in a factory on China's eastern coast. Then comes another one as the assembly line continues,

Investors braced for a potential trade war after Trump imposed tariffs on goods from Canada, Mexico and China and pledged future tariffs on the European Union.

Sterling slid against the dollar but rose against the euro on Monday as the greenback rallied after the U.S. imposed tariffs on Canada, Mexico and China, while comments from President Donald Trump fuelled hopes Britain may be able to avoid levies.