Dortmund (dpa) - Two children are suspected to have prevented a teenager, among other things with kicks on leaving the track bed in a subway station in Dortmund. The alleged perpetrators are a 12- and a 13-year-olds, the police said. According to the 14-year-old was "attacked" by the two children last Wednesday in the subway station. "They first threw a ball of the teenager into a track bed and then prevented him from leaving," said the police. The boy came to the hospital with a shock.