Armed with knives, they approached their victims in the center of Turin and, with the use of violence, forced them to have money and cell phones delivered.
Four young people between the ages of 15 and 17 were arrested by the carabinieri.
They are suspected of being part of a baby gang that, between November last year and February, sowed terror in the central area of the Piedmontese capital.
Robbery, damage, personal injury, resistance to a public official and possession of edged weapons are the crimes, often committed to the detriment of their peers, hypothesized by the investigators.