Earlier, the group announced its loyalty with the notorious terrorist group "The Islamic State" (ISIL), responsible for violence and atrocities in Syria and Iraq.
ISIL supported the decision of Boko Haram and urged its members to extend their activities to West Africa.
Boko Haram has carried out numerous terrorist attacks on religious and political organizations as well as civilians. The group has killed more than 5,000 people since 2009.