The triple stabbing took place in Harrow, North London, on Sunday evening leaving one man believed to be in his 20s dead at the scene and two others in their late teens in hospital
A murder probe has been launched after the fatal incident in Harrow, north London at around 7.15pm on Sunday night.
One of the victims, believed to be in his 20s, was found suffering stab injuries but despite the efforts of the emergency services he was pronounced dead at the scene.
Two other men who are both believed aged in their late teens also suffered stab injuries.
They are both at hospital receiving treatment, although their condition is not yet known.
Crime scenes remain in place in and around the St Anns Road and Station Road area, with forensic teams in attendance.
Station Road was closed by the police in both directions outside the Debenhams store.
Enquiries into the circumstances of the incident continue.
A section 60 order has been authorised for the whole of Harrow Borough granting police wider powers to stop and search, until 10:49am on Monday.
A statement from the Met Police said: “A murder investigation is underway following a stabbing in Harrow.
Police were called at approximately 19:15hrs on Sunday, 13 December to reports of a stabbing in St Anns Road, Harrow.