The emergency services are dealing with an incident between Brighton and Lewes. As a result, all lines between these stations are blocked.
Services may be cancelled, delayed or revised.
Disruption is expected until 16:00.
Check before you travel:
You can check your journey using the National Rail Enquiries real-time Journey Planner.
âââââââCompensation:
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.