@cnn: The US Postal Service (USPS) has temporarily suspended its acceptance of packages from China and Hong Kong, threatening e-commerce giants like Shein and Temu. It did not provide a reason for the suspension, but said in a statement the flow of letters will not be affected. The news comes as Trump imposed a 10% tariffs on all Chinese imports to the US and Beijing announced retaliatory measures on some US goods and companies. CNN's Ivan Watson reports from Hong Kong. #cnn #news #usps