article_snippet: ISIS has taken a terrifying stranglehold on Nigeria after militants Boko Haram pledged allegiance to Nigerian militant group Boko Haram.
article_snippet: An audio recording believed to be from Boko Haram leader Abubakar Shekau said the jihadists, who have been waging a six-year military campaign in northern Nigeria, were merging with ISIS.
article_snippet: A translation of the Arabic broadcast said: 'We announce We allegiance to the Caliph... and will hear and obey in times of difficulty and prosperity.'
article_snippet: An audio recording believed to be from Boko Haram's leader Abubakar Shekau said the terrorists were joining ISIS .
article_snippet: An audio recording identified 'the Caliph as Abu Bakr al-Baghdadi, the leader of ISIS and self-proclaimed caliph of the Muslim world.
article_snippet: The message means that ISIS now has a foothold in Nigeria, as well as controlling swathes of Iraq and Syria and parts of Egypt .
article_snippet: Baghdadi has already accepted pledges of allegiance from other jihadist groups in the Middle East, Afghanistan, Pakistan and north Africa as Baghdadi seeks to expand other jihadist groups in the Middle East, Afghanistan, Pakistan and north Africa reign of terror.
article_snippet: Chilling: The broadcast pledged allegiance to Abu Bakr al-Baghdadi, the leader of ISIS .
highlights_snippet: Nigerian militant group Boko Haram has pledged allegiance to ISIS .
  
highlights_snippet: Audio recording from Boko Haram leader said Audio recording from Boko Haram leader would 'obey' terrorists .
  
highlights_snippet: Message said Nigerian militant group Boko Haram was now loyal to ISIS chief Abu Bakr al-Baghdadi .
  