Saturday night's murder is the latest in a long line of black-on-black shootings. Such Yardie-style incidents have become commonplace in inner-city areas of England.
On 5 August, a 62-year-old man and two sisters were found shot dead at a flat on a north-west London estate. A nine-month-old baby, also found at the Stonebridge Park flat in Wembley, was uninjured but covered in blood. Police said the deaths of the women, aged 27 and 34, are being treated as murder.
On Wednesday, two men will go on trial over the killing of 14-year-old Danielle Beccan, who was gunned down in Nottingham after a night at Goose Fair in October 2004.
Charlene Ellis, 18, and Letisha Shakespeare, 17, were killed at a New Year's Eve party in 2003 outside a hairdressing salon in Aston, Birmingham. Four men, including Charlene's half-brother, Marcus Ellis, were convicted of murder. Marcus Ellis, 24, and Rodrigo Simms, 20, will appeal against the conviction. Michael Gregory, 22, and Nathan Martin, 26, were also convicted of the shootings in March this year.
In September 2003, Toni-Ann Byfield was shot dead by gunmen who also murdered her father, Tony. She was seven.
Six months earlier, in March 2002, Pauline Peart, 25, from Waltham Abbey, Essex, was killed by Maurice Miller, 21, and Nebra Bennett, 24. Her killers are serving 18-year sentences.
Operation Trident, the police unit established to tackle black-on-black gun crime in London, solved 12 murders in 2004-05, Similar units operate in Bristol, Birmingham, Manchester, Nottingham and Leeds.