MONGUNO , Nigeria, Sept. 9 (UPI) -- Several people were reported killed in sectarian battles within the Nigerian insurgent group Boko Haram, sources said.
The Islamic state-backed group has terrorized Nigeria and surrounding countries since 2009 in an attempt to establish a caliphate in western Africa. At least 20,000 people, mostly civilians, have died in indiscriminate violence and about 2.6 million have been displaced.