UPDATE: The third man arrested in connection with the murder of Abdul Mayanja in Newham on Friday, 25 August has been released on bail.
The 19-year-old man (C) was arrested on Wednesday, 6 September on suspicion of conspiring with others to commit murder. He was taken to an east London Police station and has since been released on bail to a date in early October.
Two men arrested on Sunday, 3 September, [A] - 22yrs; [B] - 23yrs, on suspicion of murder were released on bail to a date in late September.
The Homicide and Major Crime Command investigate. Enquiries continue.
On Friday, 25 August, at approximately 22:40hrs, police were called to reports of shots fired in Well Street, E15.
Firearms officers and the London Ambulance Service attended and found 19-year-old Abdul suffering from a gunshot wound. He was taken to an east London hospital where he sadly later died from his injuries.
A post-mortem examination held at East Ham Mortuary on Wednesday, 30 August found the cause of death to be a gunshot wound to the chest.
An incident room has opened under the Homicide and Major Crime Command.
In the early hours of Sunday, 3 September, officers arrested two men [A - 22yrs; B - 23yrs] on suspicion of murder. They were taken to east London police stations and have since been released on police bail to a date in late September.
The 19-year-old man (C) was arrested on Wednesday, 6 September on suspicion of conspiring with others to commit murder. He was taken to an east London Police station and was later released on bail to a date in early October.
Detective Inspector Paul Considine, leading the investigation, said: "Although we have made arrests, I am still eager to hear from anyone who was in Well Street or in the surrounding area at the time of the murder.
"Any information, no matter how insignificant, may prove vital in helping us confirm what happened that night.
"Abdul left his home at 22:00hrs, just 40 minutes before he was shot. I need to know who was responsible for shooting Abdul so that I can get some justice for his family.
"I fully appreciate that witnesses may be reluctant to come forward, but it is vital that we apprehend those responsible. All information will be treated with the utmost discretion."
Any witnesses, or anyone with any information, are urged to contact the incident room on 020 8345 3734.
To give information anonymously call Crimestoppers on 0800 555 111 or visit crimestoppers-uk.org.