http://news.bbc.co.uk/1/hi/england/london/4765139.stm
"Police can force children home if they are found within dispersal zones - used to tackle unruly behaviour, the Court of Appeal has ruled. Inside these areas, under 16s without an adult can be forced home after 9pm, but only if at risk from, or involved in, yobbish behaviour, judges said. The High Court had ruled that forcing children home breached human rights. That case was brought by a "model pupil", who was warned he could be forced home while shopping in London. Known as "W", he was 14 when he was told by a community support officer, who thought he was acting suspiciously, that he was in a dispersal zone and could be told to go home. "