China and the United States have agreed to extend the truce in their trade war – as Donald Trump declared that a deal between the two countries was “done”.

After two days of talks between senior officials in London – China will be able to send students to US colleges, while the United States will get access to rare earth minerals.

And Trump said it would leave total tariffs on China at 55%. We speak to the economist Justin Wolfers – from the University of Michigan.