Road closures were initially put in place at the Chrisp Street and Newby Place junctions
Concerned residents have been asking officers for an update after the incident on Monday evening.
The boy fell from the window of a property in East India Dock Road at around 6.45pm.
He was transferred to a specialist hospital in a critical but stable condition.
Any witnesses or those with dash cam footage should call police ref CAD 6419/27 July.
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