A trespasser on the railway between Finsbury Park and Alexandra Palace means trains have to run at a reduced speed. Trains running between London and Alexandra Palace may be delayed.
Disruption is expected until 17:45.
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.