Appointed to the Facebook oversight board, Yemeni Nobel Peace Prize laureate Tawakkol Karman has faced hostility from Arab state media and social media users, who accuse her of Islamist ties. By Kersten Knipp & Ismail AzzamMore
More than 5,000 people have died, and over 7,000 people are still missing in the Libyan port city of Derna. Relief efforts are underway but face daunting challenges.