Islamic State militants lead what are said to be Ethiopian Christians along a beach in Wilayat Barqa, in this still from an undated video from a social media website, April 19, 2015. REUTERS/Social Media Website via Reuters TV
A girl holds a sign during a march to mark the one-year anniversary of the mass kidnapping of more than 200 schoolgirls from a secondary school in Chibok by Boko Haram militants, in Abuja April 14, 2015. REUTERS/Afolabi Sotunde
Smoke and flames rise over a hill near the Syrian town of Kobani after an airstrike, as seen from the Mursitpinar crossing on the Turkish-Syrian border in the southeastern town of Suruc in Sanliurfa province, October 23, 2014. REUTERS/Kai Pfaffenbach
Abubakar Shekau, the purported leader of Boko Haram, ignited international outrage when he announced that he would sell more than 200 of the kidnapped Nigerian schoolgirls “in the market.” Nations around the globe offered help to Nigeria.