Four men have been ordered held without bond on charges they distributed heroin to dozens of young people in the Centreville area.

Four men have been ordered held without bond on charges they distributed heroin to dozens of young people in the Centreville area.The men are among ten people charged last week in a heroin distribution ring in northern Virginia that police say was responsible for at least three deaths.According to court records, many of the deaths involved current and former students of Westfield High School. Nine people identified in a federal complaint charging them with conspiracy to distribute heroin are all aged 19 to 22.None of the defendants spoke during Tuesday's hearing, and their lawyers declined to comment after the hearing.