The raids have targeted homes in Punchbowl, Bankstown and Arncliffe in the south-west of the city.
The raids, involving police from the New South Wales Police’s organised crime squad as well as the Australian Federal Police. That is not believed to be terrorism-related.
A police spokesman said to the news.com.au provisions of the raids related to the search warrants in relation to a series of ongoing research.
More to come.