China vows retaliation for latest US tariff threat

In this July 6, 2018, photo, a container ship is docked at a port in Qingdao in eastern China's Shandong Province. China's government on Wednesday, July 11, 2018, has criticized the latest U.S. threat of a tariff hike as "totally unacceptable" and vowed to retaliate in their escalating trade war. (Chinatopix via AP)

BEIJING — China slammed the U.S. threat to expand tariff hikes to imports including apples, fish sticks and French doors as a “totally unacceptable” escalation of their trade battle and vowed Wednesday to protect its “core interests.”