Could the 7/7 bombings have been prevented by police in Yorkshire?
6:14pm 29th April 2010
Police in Yorkshire have only just discovered they held the fingerprints of the ringleader of the July 7th bombings on file before the attacks.
West Yorkshire Police say they recently found two sets of Mohammad Sidique Khan's prints in their archives.
One of them dates from when he was arrested aged just 11.
The force has launched an inquiry as it prepares for the upcoming inquests for those killed in the 2005 attacks.
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