The US Postal Service (USPS) says it has suspended the acceptance of incoming international parcels from China and Hong Kong until further notice, threatening the business models of e-commerce giants Shein and Temu.

The U.S. Postal Service has suspended all incoming parcels from China and Hong Kong as President Donald Trump ramps up the U.S.-China trade war. Newsweek reached out to the White House, U.S. Postal Service and the Chinese embassy in Washington with emailed requests for comment outside of office hours.

However, on Tuesday new rules came into force which closed a loophole that allowed small packages worth $800 (£641) or less to be sent to the US without paying tax or fees. It was one of the measures announced by US President Donald Trump who imposed an additional 10% tariff on all goods imported to the US from China.