Omar Succarieh, 31, will be charged with providing funds to Jabhat al-Nusra. He is the brother of Australia's first suicide bomber to die in Syria, Ahmed Succarieh.

Australia's foreign minister talked to Iraq's new foreign minister Ibrahim al-Eshaiker al-Ja'afari yesterday:

Ms Bishop made clear to Dr al-Ja'afari that a US-led international mission to push back IS would require an Iraqi Government request and a demonstration that it was being inclusive of the Kurdish minority and the Sunni populations.

He told her that Arab states could soon be meeting to consider what support they could give to combat IS.

A big meet will take place in New York next week, and another, the "Foreign Terrorist Fighter Summit," chaired by Obama, on Sept. 24.

Ms Bishop flies to New York next week where she will meet US Secretary of State John Kerry and other foreign ministers to devise strategies to deal with foreign fighters. Prime Minister Tony Abbott will attend a special terrorism summit on September 24 chaired by Mr Obama.