Police work in a lane way behind a house during terror raids in Sydney. Photograph:  William Westwilliam/AFP/Getty

Australian counter-terrorism police arrested four people in raids on Saturday across several Sydney suburbs aimed at disrupting plans for “terrorist a(...)

Police start their investigations outside service apartments in Melbourne, Australia on Tuesday.  Photograph: Michael Dodge/Getty Images

Australian prime minister Malcolm Turnbull said on Tuesday police were treating a deadly siege in the southern city of Melbourne as an “act of terrori(...)

Australian police officers carry equipment as they exit a house after making an arrest during early morning raids in western Sydney, Australia, October 7th, 2015. Photograph: David Gray/Reuters

Australian counter-terrorism police investigating the shooting death of a police accountant are questioning four people arrested on Wednesday in raids(...)

The house where  in western Sydney where police arrested two men on suspicion of plotting an IS terrorist attack in Sydney. Photograph: EPA

Australian counter-terrorism police said on Wednesday they had intercepted an imminent attack linked to Islamic State after arresting two men in Sy(...)