Traffic queues of up to nine miles followed the closure of part of the M25 around London.<br /><br />Police ordered the shut down after reports of a man 'behaving unusually' in the area.<br /><br />An army bomb disposal unit recovered a 'suspicious item', but it was found to be harmless.<br /><br />The Dartford Crossing and two tunnels have now reopened.<br />http://www.euronews.net/