Emergency service vehicles and personnel were seen at Ealing Broadway station on Wednesday (October 25) morning, whilst a police helicopter flew overhead.
Trains were cancelled at the National Rail and London Underground station while police and ambulance dealt with the incident.
Commuters suffered delays between 30 minutes and an hour, according to Great Western Railway.
National Rail has issued advise for ticket holders following the disruption.
We will be bringing you all the latest updates on our live blog.
Keep up to date with the latest news from west London via the free getwestlondon app.
You can set up your app to see news and events from your area, and receive notifications for any breaking news.
Trains are now back to normal after the incident
Man taken to hospital after injury sustained on tracks
A man was taken to hospital this morning after sustaining injuries whilst on the tracks.
A British Transport Police spokesperson said:
“We were called to Ealing Broadway station at 6.54am today to reports of a man on the tracks.
“A man was found with injuries to his hand and has been taken to hospital.
“Enquiries are ongoing.”
Predicted delays extended by another hour
National Rail say services will now be disrupted until 10.45am.
Woe for commuters as trains cancelled during rush hour
Emergency services responded 'swiftly' with helicopter overhead
Disruption is expected until 9.45am
National Rail confirmed that lines have now been reopened, but trains between London Paddington and Ealing Broadway may still be disrupted with trains being delayed by up to 60 minutes or cancelled.
Disruption is expected until 09:45.
The following advice has been given for Great Western Railway customers: “Your ticket will be accepted on London Underground and London Buses on any reasonable route.”
Heathrow Connect customers can use tickets on Heathrow Express, Great Western Railway services to Hayes & Harlington, London Buses on route 140, and London Underground between Heathrow and Central London on the Piccadilly Line.