Trains are returning to normal following a fault on a train at Leyton Midland Road.
Trains between Gospel Oak and Barking may still be cancelled, delayed by up to 15 minutes or revised.
Disruption is expected until 15:30.
Customer advice:
You may use your ticket on London buses via any reasonable route at no extra cost.
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.