An 18-year-old youth has been detained by the Australian police after he was seen acting suspiciously outside the Sydney Opera House.
He was reportedly wearing a backpack and making extremist remarks when he was approached by local police and security in the Opera House forecourt at 11.20 a.m. (local time) on Thursday, The Sydney Morning Herald reported.
The teen remained in custody on Thursday evening. Police would only say that their inquiries into the incident were continuing.
It is understood that the teen has a history of mental illness.
The incident occurred two days after the Islamic State (IS) terrorist group issued a vicious and detailed call to "lone wolf" followers to stab, shoot, poison and run over Australians at iconic attractions.
The Sydney Opera House was one of those attractions mentioned in the first edition of the new IS terrorist group magazine Rumiyah.
--IANS
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