The US Postal Service on Wednesday morning announced it will continue accepting incoming international parcels from China and Hong Kong — after saying late Tuesday night that it would suspend them. Although no reason was given for the initial suspension of package deliveries from China,

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 United States Postal Service announced Tuesday night that it is temporarily suspending accepting packages sent from China and Hong Kong until further notice. The suspension is effective immediately, the USPS said. Letters and flats are not included in the suspension, it said.

After a 10 percent tariff on Chinese products took effect on Tuesday, China announced retaliatory measures, including tariffs and an investigation of Google.

China's finance ministry said it would impose levies of 15% for U.S. coal and 10% for crude oil, farm equipment and some cars.

Shanghai residents expressed concern over worsening U.S.-China relations after an additional 10% tariff on Chinese goods imposed by President Trump came into effect. China responded minutes later with export restrictions on metals and tariffs on U.

China announced a wide range of measures on Tuesday targeting U.S. businesses including Google, farm equipment makers and the owner of fashion brand Calvin Klein, minutes after new U.S. tariffs on Chinese goods took effect.