A fault on a train between Luton and London St Pancras International means some lines are currently closed. As a result, trains may be cancelled, delayed or revised.
Disruption is expected until 08:45.
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.