South Western trains services can be canceled, delayed or reviewed until the person’s condition has been evaluated by ambulance service personnel.
The interruption is expected to be in force until 7pm today (April 26).
The services to London Waterloo will be interrupted.
Passengers are recommended to travel with a member or personal or use a point of help from the station.
A statement on the South Western Railway website says: “Train services extended by this station can be canceled, delayed or reviewed. An interruption is expected until 19:00 04/26.
“We have reported that a passenger has sick tasks aboard a train in Wimbledon.
“Until the person’s condition has been evaluated by ambulance service staff, the train cannot continue its trip.
“For more information or travel tips, talk to a staff member or use a station aid point.
“We regret any delay that this can cause on your trip.”
