Nov 2 2012 By Jack Griffith
SAFETY checks at West Drayton railway station are causing delays on train services between London Paddington and Heathrow.
Service alterations and delays, of up to 45 minutes, are expected to continue until 3pm today (Friday).
Heathrow Connect services are suspended, while Heathrow Express are running every half an hour from Paddington.
Passengers can use South West trains with their current tickets on any reasonable route.