Australia's Prime Minister

Turnbull confirms Sydney raids related to terrorist plot

Australian anti-terrorism police arrested four men during a series of raids in Sydney overnight.

Heavily armed police carried out raids at several properties, in the inner-city suburb of Surry Hills, and the southwest suburbs of Lakemba, Wiley Park and Punchbowl.

Federal police were given information the plot involved the use of an "improvised device".

A woman, who told the ABC her son and husband were arrested after her Surry Hills house was raided, denied they had any links to terrorism.