teenagers have been charged with robbing a pizza delivery driver on the city's south side. 17 year-old hearon and moore ansdd 18 year-old l ockhart are accused of calling in fake for orders and then rabin drivers at gunpoint when they arrive. the teenagers were arrested tuesday night when they tried to rob an undercover police officer disguised as a delivery man. >> a free train derailed at the height of rush hour this morning causing some delays. the freight train that derailed on a viaduct at 47th and archer blocking traffic in the area. chicago fire officials say the train was carrying office supplies and about half a dozen cars that derailed. >> in chicago mother wants to know why her five year-old child walked home from school by himself what he was having an as much tact. kindergartner chr is roszak had an asthma attack well in class yesterday afternoon at his elementary school. his mother says he went to the nurse who told him to gather his belongings because she was going to send him home instead the child left school making the to block trip by himself. and mother says the school did