Oluwamayowa Adeyemi a Nigerian was shot and killed outside his home in Hackney over the weekend in the UK.
Oluwamayowa Adeyemi, 21, was shot in Clapton, east London, last Friday night and pronounced dead at the scene by paramedics, with a post-mortem revealing a gunshot wound to the chest as the cause of death.
Homicide detectives from the Metropolitan Police's Specialist Crime Command has appealed for information.
Detective Chief Inspector Paul Considine said: 'Following initial inquiries we know that there were people in Brackenfield Close at the time of the shooting.
'I would urge those people, and anyone else who has information that could progress this investigation to get in contact immediately.'
He added: 'This is a tragic incident that has resulted in the loss of a young man's life and has left his family and friends devastated.
'If you can help us find those responsible, then please get in contact.'
Police Borough Commander Marcus Barnett said: 'We understand this is a concerning time for Hackney residents, but please be assured we have increased our resources in the borough and are providing support to the investigation team.
'Our thoughts remain with the victim and his family during this devastating time for them.
'Get in touch with us if you see something or know something about a crime that has either happened or might potentially happen - your information can save lives.'