There are delays on South West Train services between Strawberry and Twickenham this morning due to a signalling problem.
UPDATE: Service has now resumed
Trains running through these stations may be delayed by up to 10 minutes or cancelled, the operator has warned.
The disruption, which is likely to affect thousands of commutuers, is expected to last until at least 9am.
The fault means that drivers are being forced to get verbal permission to pass signals between the two stations.
For all the latest traffic and travel visit yourlocaguardian.co.uk/travel
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