I would appeal to anyone who was in the venue in the early hours of Wednesday and saw anything suspicious to contact us - any information, no matter how insignificant it may seem, could prove vital to this investigation.
My team have spoken to both Olympians who are understandably desperate to be reunited with the medals they have dedicated their careers to win.
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Kurt Cochran and his wife Melissa had been visiting London from the US to celebrate their 25th wedding anniversary and were due to fly home.
Rail union RMT have slammed the move saying the company MTR is set to make "a killing at the British taxpayers' expense".
The meeting was arranged in the wake of Wednesday's terrorist murder of four people in Westminster.