Supporters of South Korean stem cell scientist Hwang Woo-suk hold signs before hearing the announcement of the result of the prosecutors' investigation into the team led by Hwang, in front of the Seoul district public prosecutors' office May 12, 2006. Hwang, once hailed as a national hero, has been charged with criminal fraud and embezzlement, a senior prosecutor said on Friday. The signs the supporters are holding demand a re-investigation. REUTERS/Lee Jae-Won