Trains between Hastings, Rye and Ashford International suspended
Trains are currently unable to run between Hastings and Ashford International as all lines are blocked.
National Rail said a points failure between Hastings and Ore is causing disruption to trains between Hastings and Ashford International.
Trains will be delayed or cancelled.
Southern, which runs the route, said replacement bus services have been requested.
National Rail said disruption is expected to continue until around 6pm.