Police have launched a murder investigation after a a 20-year-old man was killed by a knife-wielding moped rider in Fulham last night.
The victim was treated by paramedics but died at the scene.
Two further men were taken to hospital and treated for stab wounds at a west London hospital.
One of the men remains in hospital, while the other was discharged and arrested in connection with the incident.
Witnesses report seeing an altercation between two men and a man on a moped at around 7:30pm last night, with the moped .
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.