A man has been held and items have been seized over the Hatton Garden heist three years ago in which £25m worth of jewellery was stolen.
The suspect, aged 57, was arrested after a search warrant was carried out at a property in Islington at 07:30 BST.
Six men were jailed in 2016 for stealing items from the vault of the now defunct Hatton Garden Safe Deposit Ltd.
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