Delays to London Paddington today (Thursday).

The fault is at Hayes and Harlington, and is affecting trains to and from the west London station as well as Heathrow Airport.
A spokesman for First Great Western said: “This is affecting our services from Reading to London Paddington and to Heathrow Airport. Passengers may expect delays of up to 120 minutes at this time.”
Network Rail engineers are currently trying to rectify the fault, which has affecting two of the four lines on the route, according to a spokeswoman for the organisation.