EARLS Court station was evacuated after a “customer incident” that required a helicopter.
People were rushed out over the person on the tracks.
The station has since reopened.
A London Fire Brigade spokesperson said: “We were called at 8.51am to reports of a person on the track. We’ve got two fire engines and a fire rescue unit in attendance.”
And a British Transport Police spokesperson added: “Officers attended alongside the colleagues from the London Ambulance Service, and a person was taken to a place of safety.”
A helicopter was seen landing near the station in west London.
In a separate incident, a person died after being hit by a train at Chiswick Park.
Both incidents led to delays on the line.
A tweet from the District Line shortly before 10am read: “Train services have now resumed with severe delays between Turnham Green and Ealing Broadway due to an earlier customer incident.”
As passengers were being escorted out, one witness wrote: “Emergency at Earls Court station.
“Many Police cars, helicopters, fire tenders, ambulances at the station- more coming. Station evacuated and closed.”
Commenting on the Chiswick Park incident, police said: “Officers were called to Chiswick Park Underground station at 8.55am today after reports of a person being struck by a train.
“Colleagues from the London Ambulance Service also attended, however, a person was sadly pronounced dead at the scene.
“Officers are working to identify the person and inform their family.
“This incident is not currently being treated as suspicious.”