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.

Gulf stock markets fell in line with global shares on Monday, as U.S. President Donald Trump's tariffs on Canada, Mexico and China sparked fears of an escalating trade war and its potential impact on global economic growth.

Shares in Europe and Asia have fallen after US President Donald Trump announced tariffs on Canada, Mexico and China, and said tariffs on the EU would "definitely happen". The German and French stock markets were down about 2%, with shares in carmakers among the worst hit, while London's FTSE 100 dropped more 1%.