Students from Philadelphia win National poetry contest in San Francisco . The winners will be announced at a ceremony on May 11 and the winner is to receive $10,000 cash prize. Team wants to show city has teens who are doing positive things with lives . and I 'm not stopping here , '' said Hall , whose mother died when he was 8 . Philadelphia has had problems with flash mobs -- group attacks on people and property .
Students from Philadelphia win National poetry contest in San Francisco . The winners will be announced at a ceremony on May 11 and the winner is to receive $10,000 cash prize. Team wants to show city has teens who are doing positive things with lives . Philadelphia has had problems with flash mobs -- group attacks on people and property .