The IPPC have confirmed that they have been notified of an incident near to Wimbledon Park station in which the body of a man was found on the tracks.
Prior to the incident, officers from the Metropolitan Police Service stopped a vehicle being driven by a man matching the same description as the deceased.
Once a formal referral has been received from the MPS an assessment will take place regarding the level if IPCC involvement.
More top news
Rhian Morris from Bridgend has had severely impaired vision since birth and her seven-year old son Harley also has sight loss.
Welshman Thomas fell further behind the leaders in the Tour de France and admitted afterwards it was 'not my best day'.
The 3,500-capacity attraction will have a 'digital skin' and will host a range of events, such as gaming conventions.