Twenty people working within a Delaware County charter school were charged in a child abuse case involving elementary school-aged children, according to the DA's Office.

Twenty staffers at a suburban Philadelphia charter school are facing charges related to the alleged physical abuse of students using painful, unapproved techniques to restrain and punish youths in a program meant to help them deal with emotional issues,

Delaware County District Attorney Jack Stollsteimer held a press conference Monday after announcing charges against 20 people who worked at the school in connection with a child abuse investigation.