A RADICAL Islamic group yesterday called on all Muslims in Australia to work towards forming a pan-global Islamic state, while NSW and federal politicians traded blows on whether the group should be banned under the anti-terror laws. More than 450 men and women packed into a reception hall at Lakemba in Sydney's southwest to hear speakers from Hizb ut-Tahrir (Party of Liberation) outline their hopes for a single Islamic state that would overthrow all dictators, invaders and governments in every Muslim country across the globe. The Khilafah conference was told that "humankind" could only escape destruction under "the divine order...