China is preparing for a potential probe into how Apple deals with developers, including taking a 30% cut on in-app spending, according to a report.

China's antitrust regulator is preparing for a possible investigation into Apple's policies and app store fees, Bloomberg News reported on Wednesday, citing people familiar with the matter. The development comes a day after China announced a wide range of measures targeting U.

The U.S. has been importing about three million parcels a day with little customs inspection, raising concerns about the ease of sending fentanyl.

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.

The U.S. Postal Service will temporarily suspend accepting inbound parcels from China and Hong Kong Posts until further notice.

China’s tariff increases and other countermeasures were mostly symbolic and apparently designed to project strength while leaving the door open to talks.

Beijing has made its decision. After days of warning of counter measures and urging Washington to enter negotiations and "meet China halfway", it has decided to hit back – or at least threaten to retaliate with its own tariffs.

China put export controls on tungsten and other niche metals used in the electronics, aviation and defense industries as it retaliated in a targeted way to US tariffs.