China's Ministry of Defence spokesman Colonel Yang Yujun said the ministry had complained to the US Embassy's military attache. Photo: Reuters

US backs Japan as tensions soar on Beijing's air defence zone over East China Sea

Beijing defence strategy is criticised by Japanese leader and ignites diplomatic tension across region

Topic |   Diaoyu Islands
China's Ministry of Defence spokesman Colonel Yang Yujun said the ministry had complained to the US Embassy's military attache. Photo: Reuters
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