Another described the moment a relative of the man shouted ‘they got the wrong boy’ when they rushed to the crime scene last night. Willington Road in Clapham, London, is cordoned off for the crime scene investigation (Picture: John Dunne)They said: ‘There was a muzzle flash from a gun. A former school friend of the man who died told Metro: ‘He was a lovely, bouncy sort of guy. ‘Children are walking through a crime scene to get to school and pensioners are scared. Police are now trawling through footage from the Landor pub next to the crime scene.