Two people have been arrested on suspicion of murder after a teenager was stabbed in west London.
Ahmed Yasin-Ali, 18 was found fatally injured in Elmfield Way, Maida Vale, at around 12.30am on Wednesday.
On Friday, a 23-year-old man and a 17-year-old boy were both arrested on suspicion of murder, the Metropolitan Police said.
Detectives have appealed for anybody who may have heard a disturbance on Elmfield Way or seen a vehicle driving at speed on the nearby Harrow Road around the time of the incident to come forward.
In a statement released by Scotland Yard, they called Ahmed:
Anyone with information is asked to call police on 101 quoting CAD reference 185/15Jul, or Crimestoppers anonymously on 0800 555 111.