China establishes 'air-defence zone' over East China Sea

China has demarcated an "air-defence identification zone" over an area of the East China Sea, covering islands that are also claimed by Japan. China's Defence Ministry said aircraft entering the zone must obey its rules or face "emergency defensive measures". via Pocket http://www.bbc.co.uk/news/world-asia-25062525#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa