By Chris Greenwood PUBLISHED: 07:16 EST, 15 March 2013 | UPDATED: 21:06 EST, 15 March 2013 A white middle-class Islamic convert yesterday admitted plotting a terrorist atrocity on the town where thousands gathered to honour dead British soldiers. Richard Dart, 30, trained at Al Qaeda camps in Pakistan for an attack on Royal Wootton Bassett in Wiltshire. The former BBC security guard was part of a three-man gang – which included a former police community support officer – who also planned to wipe out the heads of M15 and MI6. Plot: Richard Dart has admitted to involvement with terrorism offences along with Imran Mahmood, 21, and Jahangir Alom, 26
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Richard Dart, Imran Mahmood, and Jahangir Alom, plead guilty at Old Bailey
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Admit preparing for terrorism or assisting another in terrorism, between July 2010 and July 2012
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Trio travelled to Pakistan for terror training and helped others do the same
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Conversations reveal targets were Wootton Bassett and secret services
Another message read: ‘If it comes down to this, it is that or even to just deal with a few MI5 or @placeholder heads.’