Two members of Team GB have reportedly had their Olympic medals stolen following an event held by the Queen at Buckingham Palace.
Macleod revealed on Twitter that she was "totally devastated" by the incident.
Metropolitan Police confirmed that they are investigating the theft of Partridge's medal and blazer but had not yet been informed of Macleod's loss.
"An Olympic medal and blazer were reported stolen from a venue in Mayfair in central London," said a spokesman.
"It was believed the items were taken between midnight and 5am on Wednesday, October 24."
Britain's Olympic and Paralympic heroes had previously been at Buckingham Palace with the Queen, Duke of Edinburgh, Duchess of Cambridge, prime minister David Cameron and London 2012 organising committee chairman Lord Coe to recognise their achievements over the summer.