Many experts and government officials have warned that as IS loses territory in Iraq and Syria, it will lash out globally through attacks on western countries. Australian police are operating at an " increased level of security " around the country 's most iconic locations , such as the Sydney Opera House and the MCG , after protesters referred to Australia as a " land cloaked in darkness " and encouraged " lone wolf " supporters to attack the buildings . The term appeared in the magazine Rumiyah following the death of terrorist , Ezzit Ali , who was killed in the Syrian city of Manbij , near Aleppo .
Australian police are operating at an " increased level of security " around the country 's most iconic locations , such as the Sydney Opera House and the MCG , after protesters referred to Australia as a " land cloaked in darkness " and encouraged " lone wolf " supporters to attack the buildings . The term appeared in the magazine Rumiyah following the death of terrorist , Ezzit Ali , who was killed in the Syrian city of Manbij , near Aleppo .