A fault with the signalling system between London Paddington and West Drayton is disrupting trains running to and from London Paddington.
Trains may be delayed by up to 20 minutes or be cancelled. Disruption is expected until 09:00.
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 #Paddington
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.
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