File photo dated 18/09/11 of President of the Liberal Democrats Tim Farron who has called for an urgent question to be tabled in the House of Commons following allegations that health bosses covered ... more 
File photo dated 18/09/11 of President of the Liberal Democrats Tim Farron who has called for an urgent question to be tabled in the House of Commons following allegations that health bosses covered up a failure to investigate a hospital where mothers and babies died through neglect. less 
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Wed, Jun 19, 2013 2:06 AM EDT