As many as 500 Christians are thought to be imprisoned in labor camps in North Korea . Just four religious groups are officially allowed to openly practice their faith in this African nation ; the rest are subject to detention or worse . Sudan sentenced a woman to death for refusing to renounce her faith ; she was later released . Christians are under attack in Nigeria from the Islamic extremist group Boko Mali .
As many as 500 Christians are thought to be imprisoned in labor camps in North Korea . Sudan sentenced a woman to death for refusing to renounce her faith ; she was later released . Christians are under attack in Nigeria from the Islamic extremist group Boko Mali .