Police have shut off Church Elm Lane after emergency services were called to the road today (August 4) at 2.31pm.
The child fell from a height and has been taken to hospital by road after medics arrived in less than five minutes.
At this stage, the condition of the child is not known.
A London Air Ambulance landed at Old Dagenham Park following the fall.
Church Elm Lane is shut off from the Tasty kebab shop to Church Elm Lane Health Centre.
A London Ambulance Service spokesperson said: “We were called at 2.31pm today (4 August) to reports of a person fallen from height on Church Elm Lane, Dagenham.
“We sent resources to the scene, including an ambulance crew, an incident response officer and a paramedic in a fast response car. We also dispatched London’s Air Ambulance.
“Our first paramedic arrived in less than five minutes.
“We treated a child at the scene and took them to a major trauma centre by road.”
