Donald Trump has announced new tariffs of between 10% and 41% on US imports from dozens of countries. Most of the new levies will come into effect on 7 August, although there are some exceptions. Follow updates and analysis below.

To justify its step, the US has cited the cross-border flow of fentanyl, even though Canada accounts for just 1% of US fentanyl imports and has been working intensively to further reduce the volumes,