Police in Kent have started extradition proceedings in Morocco after a man was arrested in connection with Britain's biggest cash robbery. £53 million pounds was stolen from the Securitas depot in Tonbridge in February. A 26 year old man is now being held by Moroccan police in the capital Rabat.Most of the stolen money is still missing - but today police revealed that more cash has been recovered. Five men and two women have already been charged over the robbery. Ian Maclaren's at the Securitas depot in Tonbridge now.