A Scotland Yard spokesman said officers were holding on to the medal while they continue their inquiry but that they would reuniting Hannah with her medal shortly. She was being kept fully informed of developments.
We are still looking to recover the second medal, and we stress that our inquiries remain active.
Our appeals for information stand and I take this opportunity to reiterate them - if the public can help we ask them to do so.
Alex's medal has yet to be traced, and he is understandably keen to be reunited with it as soon as possible.
More top news
The International Olympic Committee's (IOC) has ruled out a total ban on Russian athletes after revelations of state-sanctioned doping.
Burnley have apologised to Bradford after one of their supporters was ejected from Saturday's pre-season friendly at Valley Parad
Two British schoolchildren seriously injured in a coach crash on the Swiss border remain in hospital in France.