Police and ambulance were called to the incident in Northolt Road near South Harrow station around 4pm yesterday (March 5).
A male was found to be stabbed and two other males were found injured nearby.
London’s Air Ambulance also attended by car and the ambulance service took all three to hospital.
Their condition is not known.
#Harrow, London
Something major happened in South Harrow as more then 5 police vehicle are following serious incident.More then 5-6 shops have been cordoned including bus stop.
Video shot by me @ravindraJourno pic.twitter.com/vCroNhpHOC
— Ravinder Singh🇬🇧 (@ravindraJourno) March 5, 2025
A crime scene remained in place on the night of the incident while police enquiries continue.
A London Ambulance Service spokesperson said: “We were called to reports of a stabbing on Tuesday 5 March at 4.03pm in Northolt Road, Harrow.
“We sent a number of resources to the scene including an ambulance crew, an Incident Response Officer and members of our Tactical Response Unit.
“We also dispatched London’s Air Ambulance by car.
“Our first paramedic arrived at the scene in four minutes. We treated three people before taking them all to hospital.”
A spokesperson for Metropolitan Police: “Police were called at about 16:00hrs on Wednesday, 5 March to reports of a male stabbed on Northolt Road in Harrow.
“Emergency services attended. Two further male victims were found nearby.
“All three have been taken to hospital by the London Ambulance Service. We await an update on their injuries.
“A number of crime scenes are in place and officers remain in the area.
“At this early stage there have been no arrests. Enquiries continue.
“Anyone with information is asked to call police via 101 quoting CAD 4971/05Mar.”
