Commuters face severe delays on the London Paddington route this morning after an emergency incident closed railway lines.

All lines have been blocked between London Paddington and Heathrow Terminals and Reading following the incident.

The closure is wreaking havoc on the Elizabeth line, Great Western Railway (GWR) and Heathrow Express, with cancellations and severe delays expected throughout the morning.

National Rail said: ‘The emergency services are currently dealing with an incident between London Paddington and Heathrow Terminals / Reading. So that they can safely carry out their work, all lines have been closed.

‘Trains operating between these stations may be cancelled, delayed by up to 60 minutes or revised as a result.

‘Major disruption is expected until 12:00.’

The Elizabeth line is suspended between Paddington and Heathrow Terminals T4 and T5, and Reading.

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