The United States Secretary of State, Marco Rubio, has expressed optimism following talks with Ukrainian officials in Geneva aimed at ending the conflict with Russia. He described the remaining obstacles as 'not insurmountable', though the proposed peace plan has faced criticism for being favorable to Moscow. In other news, a BBC investigation has uncovered individuals in Sierra Leone involved in supplying human body parts for rituals. In Nigeria, over 50 abducted schoolchildren have escaped, but parents remain concerned about ongoing security failures. Additional stories include the death of Hezbollah's chief of staff in Beirut, a medical breakthrough for a child with Hunter syndrome in California, allegations against the daughter of former South African President Jacob Zuma, and the revelation that an Argentinian writer's childhood nanny was a KGB agent.