The UN's top torture investigator has called for action against Zimbabwe after he was detained on his arrival at Harare airport and then deported.<br /><br />Manfred Nowak had been invited by Prime Minister Morgan Tsvangirai, to investigate reports of rising violence and intimidation.<br /><br />As Al Jazeera's Haru Mutasa reports from Harare, many Zimbabweans are worried that human rights violations and arbitrary arrests will continue.
