The following video shows a 16-year-old being brutally beaten to death in a fight between two Chicago gangs. The shocking footage is far from rare - Derrion Albert is the 47th Chicago schoolchild to be killed in the city this year. Read more and watch the video...

Two weeks ago Vladivostok residents witnessed a real life shootout between special police and a group of alleged killers. The operation, which lasted almost six hours and saw all of the suspects shot dead, was captured on film and posted online by web users. See the footage...

Five severed heads lie on the ground outside a Guatemalan prison. The victims: decapitated by fellow inmates after two rival gangs were placed in the same prison. Read more and see the video...