at the centre of their territory is vallentin road.s the most violent street in britain with over 100 serious crimes, including two murders, recorded by the police here injust the last two years alone. this is the unlikely front line in a turf war between organised crime gangs wanting control of lucrative drug markets. we have had this significant shift away from it being about respect and grudges between pockets of young people, and into something that's more closely related to very, very organised networks of people supplying drugs on the street and being very, very focused on money and seeking to be more underground. the murder of 20—year—old lewis elwin, stabbed to death outside a south—west london primary school in 2016, has never been solved. tonight in clapham, a vigil at the spot where 17—year—old malcolm mide—madariola was stabbed to death last friday afternoon. two teenage boys have been arrested. but few believe we can arrest our way to beating criminal gangs who are becoming more sophisticated and more callous. mark easton,

at the centre of their territory is vallentin road.oad been described as the most violent street in britain with over 100 serious crimes, including two murders recorded by the police here injust the last two years alone. this is the unlikely front line in a turf war between organised crime gangs wanting control of lucrative drug markets. we have had this significant shift away from it being about respect and grudges between pockets of young people and into something that is more closely related to very organised networks of people supplying drugs on the street and being very focused on money and seeking to be more underground. the murder of 20—year—old lewis elwin, stabbed to death outside a south—west london primary school in 2016, has never been solved. his brother aaron has been campaigning for more to be done to stop gangs recruiting impressionable young men and women. the gangs are in the schools, they are in the colleges. there are some people who even have to change schools just because the gangs are waiting outside the schools,

at the centre of their territory is vallentin road.been described as the most violent street in britain with over 100 serious crimes, including two murders, recorded by the police here injust the last two years alone. this is the unlikely front line in a turf war between organised crime gangs wanting control of lucrative drug markets. we have had this significant shift away from it being about respect and grudges between pockets of young people, and into something that's more closely related to very, very organised networks of people supplying drugs on the street and being very focused on money and seeking to be more underground. the murder of 20—year—old lewis elwin, stabbed to death outside a south—west london primary school in 2016, has never been solved. his brother aaron has been campaigning for more to be done to stop gangs recruiting impressionable young men and women. the gangs are in the schools, they're in the colleges. there are some people who even have to change schools just because there's gangs are waiting outside the sc