Iran is closely coordinating with China and Russia through recent trilateral consultations to counter Europe's attempts to invoke the United Nations ' "snapback" sanctions, a spokesperson has said.

"If the U.S. is bent on imposing tariffs, China will fight to the end, and this is China's consistent official stance," said Tu Xinquan, director of the China Institute for WTO Studies at the University of International Business and Economics in Beijing. WTO is the acronym for the World Trade Organization.