Lines have now reopened following a passenger being taken ill on a train at Honor Oak Park
While service recovers, trains running between Surrey Quays and West Croydon / Crystal Palace may still be delayed by up to 10 minutes.
Disruption is expected until 15:30.
Check before you travel:
You can check your journey using the National Rail Enquiries real-time Journey Planner.
Compensation:
You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.