Passengers heading to London Paddington are facing train delays this morning.
National Rail has reported a points failure between Hanwell and Southall.
This affects Great Western Railway services from Reading towards Twyford, Maidenhead, Slough and London Paddington.
Trains may be cancelled or delayed by up to 30 minutes.
Disruption is expected until 9am today.
The incident was first reported at 7am on Thursday, February 11.
National Rail said: "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."
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here