Detectives investigating a fatal shooting in Leyton have made a fourth arrest.
The man, aged 34 [D], was arrested on suspicion of murder on Wednesday, 10 July. He has since been bailed to return on a date in early August.
A 26-year-old man [A] arrested on suspicion of murder shortly after the incident has been released under investigation and a 21-year-old man [B] arrested on the same day was released with no further action.
A 33-year-old man [C] was arrested on suspicion of murder at Heathrow Airport on Sunday, 7 July; he has now been bailed to return to a police station in August.
Police were called to the Phoenix Club, Lea Bridge Road, E10 shortly before 03:00hrs on Sunday, 7 July to reports of gunshots.
Officers, including firearms officers, attended and found a 27-year-old-man, who was from Stratford, E15, suffering from a gunshot injury.
Despite the efforts of officers and the London Ambulance Service (LAS) he was pronounced dead at the scene.
His next of kin have been informed.
A post-mortem examination took place at Walthamstow mortuary on Tuesday, 9 July and gave the cause of death as a single gunshot. Formal identification awaits.
The Homicide and Major Crime Command are leading the investigation.
Detective Chief Inspector Mark Wrigley who leads the investigation said: “We understand the victim and two other men had gone to the snooker club. The victim was then involved in an altercation with another group and a number of shots were fired. Now a man has lost his life, two others are injured and we need the community to support us and help bring those responsible to justice.
“I would appeal to anyone who was in or near the Phoenix Club to pick up the phone and call police now. Anyone with information about this brutal crime can contact the incident room, where detectives are ready to support you and take your call.”
Anyone with information can contact detectives at the incident room on 0208 345 3715 or via 101. You can also contact via Twitter at @MetCC, please quote CAD 1438/07JUL.
If you do not want to give your name you can call the independent charity Crimestoppers on 0800 555 111 or contact them anonymously online at crimestoppers-uk.org.
Additionally if there are any young people who either have information about violence they can visit www.fearless.org where they can pass on information anonymously. Fearless is part of the Crimestoppers charity, and is also independent of the police.