A fire on a property near the railway is disrupting services running to / from Heathrow Airport.
As a result, trains will may be cancelled or revised.
This issue is expected to continue to impact services throughout today.
Heathrow Express customer advice:
All Heathrow Express services have been suspended for today.
You may use your ticket on London bus and London Underground services 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.