He appeared in a YouTube clip last week alongside IS fighters, threatening Aussie Prime Minister Tony Abbott and any nation that stands in the way of IS.
Australian fighter jets are launching airstrikes against Islamic State targets in northern Iraq as part of a U.S.-led coalition and 200 Australian special forces troops will soon enter Iraq to advise and assist local security forces.
“Bring every nation that you want to come and fight us,” he says in the video.
“Whether it's 50 nations or 50,000 nations, it means nothing to us. Bring your planes. Bring everything you want to us. Because it will not harm us. Why? Because we have Allah. This is something you do not have.”