Detectives have named a 26-year-old man who was fatally stabbed in north-west London on Sunday.
Ali Faris Muhammad, from Harrow, died in hospital after being found with a stab wound on Kingsbury Road, Kingsbury at about 03:30 BST, where police were called to reports of an altercation.
The Metropolitan Police has begun a murder investigation and a crime scene is still in place. No arrests have yet been made.
Det Ch Insp Allam Bhangoo said: "Our team of detectives and forensic specialists are working at pace to establish the full circumstances that led to his tragic death."
He added: "We understand this incident may cause concern within the Kingsbury community, and we're grateful for their continued patience and co-operation as we carry out our investigation."
He also said the victim's family was being supported by specially trained officers.
"Our thoughts are with Ali's family and loved ones. They have asked for their privacy to be respected at this difficult time."