Australia warns of 'regional IS caliphate' ahead of meeting on terror threat

Attorney-General George Brandis has warned of Islamic State's desire to establish a "regional caliphate" and said the battle by pro-IS militants in the Philippines was of "great concern" ahead of a fast-tracked meeting of six countries. Indonesia and Australia will co-host a summit on Saturday with four neighbouring countries to respond to the mounting terror threat posed to South-east Asia by IS.
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