A fault of the electricity supply between London Paddington and Heathrow Airport / Reading means some lines are blocked. Trains running between these stations may be cancelled, revised or delayed by up to 60 minutes.

Major disruption is expected until 14:00.

Elizabeth line customer advice:

You can use your tickets at no extra cost on the following services:

• London Underground via all reasonable routes
• Local buses via all reasonable routes
• Docklands Light Railway via all reasonable routes
• Southeastern between Abbey Wood and London terminals
• Thameslink between Abbey Wood and Farringdon
• South Western Railway between London Waterloo and Reading

Please allow for short notice alterations and platform changes and listen to Elizabeth line station announcements or ask a member of staff for further information.

Heathrow Express Customer advice:

A half-hourly service is operating between London Paddington and Heathrow Terminal 5.

Additional information:

We have received a notification of a failure of the electricity supply affecting some lines between London Paddington and Heathrow Airport / Reading.

Engineers are working to establish the cause of the failure and what areas are affected. Some sections of the line may temporarily have no power which means trains may be unable to be move in the affected area. Stations may also be impacted and emergency lighting or back-up supplies may need to be utilised so that passengers can board and alight trains safely.

Engineers and signalling staff are working hard to restore power to all areas. We will provide you with regular updates and inform you when the lines have reopened.

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.