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Xi Jinping warns Japan over East China Sea dispute

19 September 2012 Last updated at 17:18 BST

China's leader-in-waiting Xi Jinping has warned Japan to "rein in its behaviour" and stop undermining Chinese sovereignty, according to state media reports.

His comments follow days of sometimes violent anti-Japanese protests in China over a chain of disputed islands in the East China Sea.

Mr Xi made the remarks during a meeting with US Defence Secretary Leon Panetta who is currently in Beijing as part of a regional tour.

Damian Grammaticas reports.