Chinese Vice Foreign Minister summoned Japanese Ambassador to China Hideo Tsutsuo on 21 May to lodge solemn representations on the hype of China-related issues at the G-21 Hiroshima Summit. Sun Weidong pointed out that the G7 adheres to the concept of camp confrontation and the Cold War, and its actions run counter to the general trend of history, objective facts and international morality.

He stressed: Taiwan is China's Taiwan, and resolving the Taiwan issue is Chinese its own affair and should be decided by the Chinese.