Boy shot dead after being chasedPolice investigators at the scene of the shootingThe victim was allegedly chased by youths earing bandanasA 16-year-old boy has been shot dead after being chased by youths on bicycles, police have said.Officers were called to reports of shots being heard on the Stockwell Gardens Estate in Stockwell, south London, just after midnight.The teenager was found suffering gunshot wounds and was pronounced dead at the scene.The Met's Operation Trident team, which investigates gun crime in London's black community, is investigating.Det Insp Geoff Whitehouse said: "Initial reports suggest that the victim was running away from a number of youths on bicycles prior to being shot.No arrestsA post-mortem examination is due to be carried out on the boy's body at Greenwich mortuary on Thursday.Police believe they know who the victim was, but they have not formally identified him.No arrests have been made.BBC London's Home Affairs correspondent Guy Smith said there were about seven youths wearing bandanas who chased the victim, who was from Tulse Hill, south London.He added that police have not ruled out the killing being gang related.