Four people were taken to hospital after an incident in Romford town centre.
London Ambulance Service (LAS) was called just after 4.30pm yesterday (October 27) to Western Road.
A spokesperson said: "We sent three ambulance crews, a clinical team leader, two medics in cars and an incident response officer.
"We treated four people at the scene and took all of them to hospital, one as a priority."
LAS did not disclose the nature of their injuries.
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