Commuters have been facing rail delays between Reading and London Paddington this morning due to a train fault on the line.
The fault means trains are having to run at reduced speeds on some high speed lines.
Operator Great Western Railway said trains may be delayed by up to 45 minutes, with disruption expected to continue until 9.30am.
Top Ten Articles
CCTV images have been released of men police would like to speak to in connection with a homophobic attack on a couple as they took a train home from a Valentine's Day meal.