text1: One man, who did not want to be named, said: "There was a big fight - I heard it was some sort of retaliation after something else that happened earlier on." Most of Larkhall Park has been sealed off following the incident. A 100-metre stretch of Wandsworth Road, which runs along the western side of the park, has also been closed to traffic. The teenager's death brings the total number of young people to die in violent circumstances in London this year, to seven.
text2: Seven young people died in violent situations this year in London.