Tube passengers are facing severe delays to their journeys on Friday (November 17) due to a person ill on a train at Ravenscourt Park.
There are also delays on the line between Earl's Court and Wimbledon because of a signal failure at Southfields.
The District Line is advising passengers to allow extra time for their journey, with tickets being accepted on buses and South Western Railway.
Posting to Twitter on Friday, District Line warned of disruption, saying: "Severe delays between Earl's Court and Wimbledon due to a signal failure at Southfields.
"Tickets are being accepted on local buses and South Western Railway."
Transport for London is reporting minor delays on the Central Line between White City and Ealing Broadway and between White City and West Ruislip while engineers fix a signal failure at White City.
There is a good service operating on the rest of the line and on other Underground lines.
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