The federal government is preparing to introduce to parliament proposed changes to Australia's anti-terror laws.
But Civil Liberties and Muslim groups are expressing concern over the amendments.
The ABC reports that it's sighted the amendments to the laws - allowing police to arrest someone simply on suspicion of comitting a terrorism offense without the need for a warrant.
The changes would apparently also make it easier for police to apply control orders, to limit the movement and activities of people suspected of being involved in terrorism.
Muslims Australia Vice President Ikebal Patel's told Sonja Heydeman this would herald a dramatic shift in Australian values of freedom and openness.
(Click on the audio tab above to hear the full report)