Australia complains over extraordinary disruption by Chinese attendees at a diamond conference

     Australia has complained to China's ambassador over what was described as extraordinary disruption by Chinese attendees at a diamond conference.

    According to reports, Australia was hosting a Kimberly Process conference on controlling conflict diamonds in Perth .
   But the Chinese group were angered by the presence of a Taiwanese delegation, and noisily interrupted the official opening ceremony.
   China regards Taiwan as a breakaway province which will eventually be reunited with the mainland.
   It insists that other countries cannot have diplomatic relations with both China and Taiwan, so few countries recognize the island's independence.