The emergency services are dealing with an incident between London Euston and Watford Junction. All lines will be closed while they complete their work and all trains running between these stations will be cancelled.
Disruption is expected until 19:00.
Customer Advice:
Tickets will be accepted on London Underground services.
Check before you travel:
You can check your journey using the National Rail Enquiries real-time Journey Planner
Twitter:
If you would like to follow this incident on Twitter, please use #LondonEuston
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.