They wear sweatshirts with hat, football shirts and caps, listen to rap, make inexpensive drinks, colliding hands gesticulating to greet and talk. They are the "Hoddies" trendy youth gangs who gather in the streets of London.
Almost always lack of ideology and are shaped by different causes, such as defense of a district, the rivalry between football clubs, bullying or match in a "pub" drinking alcohol.
Returning to the image of youth groups from two decades ago in U.S. cities, the "Hoodies" group walk in the streets or public spaces are yours to which the "common people" trying to avoid for fear of being assaulted.

London police have identified about 169 groups of teenagers who wear sports clothing, used bikes and are aggressive.
Also called "yobs" (a derivation of "cholo" or vague) are bands that Britain's streets are increasingly taking references of the U.S.
The incidents related to them not only occur in the districts, also outside of schools, parks, clubs and housing developments, which have targeted adults and women.
London authorities are investigating the groups identified as "Peckhamboys" (youth of color), the "Brick Lane Masive" (young children of Indian, Pakistani and Bangladeshi), or "Boombers" (sons of Turks and Kurds).
In this city 11 million people, the police have identified gangs by districts or neighborhoods, well-defined and in some cases are linked to the tastes of "hooligans" of London football clubs.
Most of the bands, about 22 are located in Hackney, east London, and which are among the oldest in the city. In Enfiel, north, another 13, in the south near Chelsea, in the districts of Lambeth and Merton about 12.
In the northeast in the neighborhoods of Waltham Forest and another 11 Bret, northwest, about 11 more, while in the center as being more tourist accommodation, commercial and financial reports are less presence of these groups.
On the relation of these bands with the London football clubs (Chelsea, Arsenal, Westham, Fulham and Tottenham), the official swollen distance themselves from these groups of adolescents, and say they wanted to prevent violence committed in its name.