The incident happened at Canning Town DLR and Underground station at around 7.30pm yesterday (February 24).
Paramedics and police officers attended, however, the person was pronounced dead at the scene.
The incident is not being treated as suspicious and a file will be prepared for the coroner.
A London Ambulance Service spokesperson said: “We were called at 7.31pm on 24 February to reports of an incident at Canning Town Underground Station.
“We sent resources to the scene, including ambulance crews, a paramedic in fast response cars, an incident response officer and members from our tactical response unit.
“Very sadly, despite best efforts of our crews, a person was pronounced dead at the scene.”
A British Transport Police spokesperson said: “Officers were called to Canning Town DLR shortly after 7.30pm yesterday (24 February) to reports of a medical emergency.
“Paramedics also attended however sadly a person was pronounced dead at the scene.
“The incident is not being treated as suspicious and a file will be prepared for the coroner.”
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