The victim of a stabbing near Parsons Green tube station last night has been named as 20-year-old Omid Saidy from Fulham.
Police and ambulance crews attended the incident but Mr Saidy was pronounced dead at the scene.
Detectives believe Mr Saidy was fatally wounded after confronting a drug dealer and another male who was with him.
A friend of Mr Saidy came to his aid but was also stabbed and remains in hospital with serious injuries.
A third man, aged 16, was discharged from hospital and arrested on suspicion of murder and attempted murder.
Detective Chief Inspector Noel McHugh of the Met’s Homicide and Major Crime said: “At this early stage we are piecing together a picture of how the sequence of events leading to and immediately following the murder took place.
“It is imperative that we speak to anyone who was in the area of Parsons Green station between 7pm and 8pm who may have witnessed the murder or the actions of the suspects immediately following the incident.”
Anyone who witnessed the incident or is possession of mobile phone footage should contact the HMCC on their incident room number of 0208 785 8099. To remain anonymous please call Crimestoppers on 0800 555 111.