Overrunning engineering works between Willesden Junction and Gospel Oak means trains are unable to run between Gospel Oak and South Tottenham.
Disruption is expected until 10:15.
Customer Advice
You may use your tickets on London buses on any reasonable route.
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.