The incident happened in Burket Close at around 12.15am today (November 15).
Police and London Ambulance Service crews attended and found a boy injured.
He was pronounced dead at the scene a short time later.
His next of kin have been informed.
Four males, with no further details released, have been arrested on suspicion of murder.
A crime scene remains in place as police enquiries into the circumstances continue.
A spokesperson for Metropolitan Police said: “A murder investigation has been launched following a stabbing in Southall.
“Police were called at approximately 12.15am on Wednesday, 15 November to reports of a fight in progress in Burket Close.
“Officers and London Ambulance Service attended and found a 17-year-old male suffering injuries; despite the best efforts of the emergency services he was pronounced dead at the scene.
“His next of kin have been informed. Four males – no further details – have been arrested on suspicion of murder.
“A crime scene remains in place.
“Enquiries into the circumstances continue.
“Anyone with information that could assist police is asked to call 101 or ‘X’ @MetCC and quote CAD 63/15Nov.
“You can also provide information anonymously to the independent charity Crimestoppers on 0800 555 111.”
https://www.newsshopper.co.uk/news/23925530.burket-close-southall-stabbing-leaves-boy-17-dead/
