The chancellor is set to meet her US counterpart to make the case for a bilateral trade deal.

The US state expresses worries that President Donald Trump's tariffs could stunt future growth.

China denies any trade talks with the US as it calls for sweeping tariffs to be cancelled.

Retailers argue that cheap foreign rivals are undercutting business using a tax-free status on small parcels.

Customers have reported problems with click and collect orders as well as card and contactless payments.