Oliver Peterson: Australian correspondent on the Opposition calling for a tougher approach to bar 'ISIS brides' from Australia

A row's deepening about so-called 'ISIS brides' returning to Australia - with the Opposition pushing for a hardline approach.

More than 30 Australian women and children have secured passports and are trying to return from a Syrian camp.

Opposition parties argue helping Australians with Islamic State links return home should be a criminal offence.

Correspondent Oliver Peterson says the Government's being neutral - and the Opposition will be looking to exploit that.

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