A Chinese Coast Guard vessel (R) passes near the Chinese oil rig, Haiyang Shi You 981 (L) in the South China Sea June 13, 2014. REUTERS/Nguyen Minh/File Photo

A Chinese Coast Guard vessel (R) passes near the Chinese oil rig, Haiyang Shi You 981 (L) in the South China Sea June 13, 2014. REUTERS/Nguyen Minh/File Photo

A Chinese Coast Guard vessel. Reuters/Nguyen Minh

July 8, 2016 6:26 PM (UTC+8)