Some of the tribes involved Cause_to_be_included in these clashes Hostile_encounter have been the Messiria , Maalia , Rizeigat and Bani Hussein Arabic tribes inhabiting Darfur and West Kordofan , and the Dinka , Nuer and Murle African ethnic groups inhabiting South Sudan .

In recent years , particularly violent clashes broke out Process_start in 1993 between Jikany Nuer and Lou Nuer in Upper Nile , in 2009-2012 between Lou Nuer and Murle in Jonglei and in 2013-2014 between Maalia , Rizeigat , Messiria , Salamat and Bani Hussein in Darfur and West Kordofan .

Syrian officials and media claimed Statement rebels had launched Hold two rockets at the campus from al-Lairamoun area , adding Cause_change_of_position_on_a_scale that similar rockets fired Use_firearm from there also hit Attack the Bani Zaid area the same day .

There have been various disagreements and strife between local militia and tribes , including fighting on 23 January 2012 in the former Gaddafi stronghold of Bani Walid , leading to Causation an alternative town council being established Building and later recognized Know by the National Transitional Council ( NTC ) .