Asia markets slumped on Monday after Donald Trump slapped tariffs on Canada, Mexico and China, sparking fears that another bruising ‘America First’ trade war that could hit global growth.

Shares in Asian manufacturers tumbled on concern that tariffs will hurt trade in North America and disrupt global supply chains.

Investors are waking up to US President Donald Trump's tariff threats on key trading partners after a brief honeymoon. On Saturday, Trump ordered 25% tariffs on goods from Canada and Mexico and a 10% tariff on China,

President Donald Trump has finally made good on a campaign promise to raise tariffs on Chinese imports – announcing on Saturday duties of 10% on all Chinese goods coming in the country as part of sweeping trade measures that also targeted Mexico and Canada.

A growing number of countries, including American allies, are striking trade deals as the Trump administration erects a higher fence around its global commerce.

Donald Trump hit Canada, Mexico and China with steep tariffs on Saturday, and oil and gas groups are relying more heavily on carbon offsets to reach climate targets. Plus, EU governments are exploring ways to include the UK and Norway in a “coalition of the willing” dedicated to ramping up the continent’s defence.

Asian shares slid on Monday morning after US President Donald Trump followed through on his promise to impose tariffs on Canada, Mexico and China. Investors are bracing for a potential trade war that could hit the earnings of major companies and dent global growth.

Investors are waking up to US President Donald Trump's tariff threats on key trading partners after a brief honeymoon. On Saturday, Trump ordered 25% tariffs on goods from Canada and Mexico and a 10% tariff on China,

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. Trump's orders for additional levies of 25% on imports from Mexico and most goods from Canada,

President Donald Trump spent the second Sunday of his administration attacking The Wall Street Journal after its editorial board criticized his steep tariffs on Mexico and Canada while admitting Americans may suffer because of them.