Overview
- National Rail warns passengers to expect delays, cancellations and amended services on Gatwick Express, Southern and Thameslink for the remainder of the day.
- Thameslink confirms Brighton to Cambridge trains are suspended all day, with some peak services to and from East Grinstead cancelled this evening.
- Track safety checks between Preston Park and Haywards Heath and a recurring signalling problem at East Croydon have contributed to widespread delays.
- Tickets are being accepted on alternative routes, including London Buses, London Trams, the Underground, London Overground and selected National Rail services.
- Earlier faults on parts of the Tube and the DLR involved faulty trains and signalling issues, with services recovering in stages through the day.