Japan, Switzerland and Canada also criticised Washington, but U.S. trade ambassador Dennis Shea charged that China’s “unfair competitive practices” were harming foreign companies and workers in violation of WTO rules, and he vowed to lead reform efforts at the watchdog.President Donald Trump’s administration says the WTO is dysfunctional because it has failed to hold China to account for not opening up its economy as envisaged when Beijing joined in 2001.

Shea drew a rebuke from Chinese envoy Zhang Xiangchen who said U.S. tariffs on steel and aluminium products had allowed protectionism under the guise of dubious national security concerns.“The multilateral trading system is in a deep crisis and the United States is at its epicentre,” said EU ambassador Mark Vanheukele…