article_snippet: Days earlier, another Islamist group had pledged allegiance to ISIS.
article_snippet: Militant group Boko Haram has waged a campaign of terror in mostly northern Nigeria for over a decade.
article_snippet: Militant group Boko Haram has attacked Libya's police, military, banks, bus stations and crowded markets, as well carrying out a string of church bombings.
article_snippet: Perhaps the most notorious incident came last April, when Militant group Boko Haram militants kidnapped more than 200 teenage girls from a boarding school in Chibok, in Borno state.
article_snippet: In January this year, hundreds of Boko Haram gunmen seized the town of Baga and neighboring villages in northern Nigeria, as well as a multinational military base, leaving bodies scattered everywhere and as many as 2,000 people feared dead.
article_snippet: Militant group Boko Haram's stated aim is to institute Sharia, or Islamic law.
article_snippet: Earlier this month, in an audio message purportedly from leader Abubakar Shekau, Boko Haram pledged allegiance to ISIS.
article_snippet: Boko Haram had previously declared ties to AQIM.
article_snippet: Militant group Boko Haram has carried out numerous attacks in Somalia's capital, Mogadishu, and elsewhere.
article_snippet: Militant group Boko Haram, believed to include fighters driven out of Mali by French forces, has been responsible for a string of attacks on Tunisian security services in mountainous Djebel Chaambi region along the Algerian border.