Lines have now reopened.
Rail lines heading to and from London Paddington are blocked after a person was hit by a train between Ealing Broadway and Southall.
Operator Great Western Railway said services running through the stations will be cancelled or delayed.
Disruption is expected to continue until at least 2pm.
Top Ten Articles
The crash, which took place at about 7am today (Thursday), involved three vehicles. One man sadly died as a result of the collision and his next of kin have been informed.