A person has been hit by a train between Tottenham Hale and Broxbourne. To allow the emergency services to safely carry out out their work, all lines are currently closed.
Trains running between these stations may be cancelled, severely delayed by up to 60 minutes or revised.
Major disruption is expected until 09:30.
If you've been affected by what happened on the network today, there is always someone to talk to. You can contact the Samaritans on 116 123 from any phone for a confidential chat.
Customer advice:
Your ticket will be accepted on the following at no extra cost:
Advance purchase tickets holders will be allowed to travel on earlier or later trains if their booked service is cancelled.
You can view a live map here to help you complete your journey.
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.