The Minister for Africa Henry Bellingham has welcomed the release of aid worker Patrick Noonan. He said:
Patrick is now in the care of the World Food Programme in Sudan. Patrick's family and friends must be delighted, having endured the ordeal of his captivity with great strength and dignity.
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The annual event has earned a place in the record books ahead of the grand final of the 60th anniversary show in Austria this evening.
Local authorities said the move is necessary to "avert the growing number of deaths and increasing harm linked to psychoactive substances".
Some students argued that the centuries-old tradition of wearing gowns, suits and mortarboards to exams was 'archaic' and looked elitist.