Two of Britain's leading retail chains are selling clothing made by child slaves, an Observer investigation...found dozens of children cramped together producing clothes for the UK high street...Select said: 'The supplier concerned has denied all the allegations...We have sought further explanation from them in this regard.'...'We were horrified to see these pictures and immediately launched an investigation into our suppliers,' Roman Originals said in a statement, adding it had cancelled its contract immediately. [also refers to Majgenta]