Christopher Tappin
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Weapons accused Christopher Tappin to enter guilty plea

26 October 2012 Last updated at 14:23 BST

A retired businessman extradited to the US on charges of selling weapons parts to Iran is to change his plea to guilty after reaching a deal with prosecutors.

Christopher Tappin, 65, had always denied trying to sell batteries for surface-to-air missiles, claiming he was the victim of an FBI sting.

Mr Tappin was arrested by UK police in 2010 and fought a two-year battle against extradition.

Peter Biles reports.