An Adelaide woman has been charged with being a member of the terrorist organisation Islamic State.
Australian Federal Police and South Australian Police say the 22-year-old was arrested on Tuesday after an investigation run by the South Australian Joint Counter Terrorism Team.
They allege the woman, from the western suburbs, cultivated relationships with Islamic State members online and has pledged her allegiance to the terrorist organisation.
But the agencies say the charge the woman is facing does not relate to planning a terrorist attack and stressed there is no known link between her and the explosions in Manchester.
She is in police custody ahead of a court appearance on Tuesday afternoon or Wednesday morning.
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AFP Assistant Commissioner Counter Terrorism Ian McCartney says there is no current threat to SA or Australia more broadly from the incident but that it is concerning young people remain susceptible to extremist ideologies.
"The arrest today highlights the global nature of terrorism and the importance of community vigilance," he told reporters in Adelaide.
The woman is an Australian citizen who came from Somalia as a teenager.
