Police were called around 6.20pm yesterday (November 6) to Ilford Hill.
Officers arrived with paramedics and a man in his 20s was treated for a head injury.
He was taken to hospital in a condition that has been deemed not to be life-threatening or changing.
Two women also in their 20s were treated by paramedics but did not require hospitalisation.
There have been no arrests.
A cordon was put in place on the pavement of the street following the incident.
A Met Police spokesperson said: “At 18:22hrs on Thursday, 6 November officers and the London Ambulance Service responded to reports of an altercation on Ilford Hill, Redbridge.
“A man in his 20s was treated at the scene for a head injury and taken to hospital.
“His condition has not been deemed life-changing or life-threatening.
“Two women, also in their 20s, were treated by paramedics at the scene but did not require hospital treatment.
“At this stage no arrests have been made. Enquiries continue.
“Anyone who witnessed the incident or has information is asked to contact police on 101 quoting ref CAD 6827/06NOV.
“Alternatively, you can contact Crimestoppers anonymously on 0800 555 111.”
