During 2014 , Boko Haram militants conducted a number of attacks on villages located within northern Cameroon , killing at least 40 government soldiers and recruiting hundreds of people into the organization . The largest such operation took place between 28 – 29 December 2014 , and included simultaneous raids that targeted both civilians and military , causing a total of 84 fatalities
operation
December 2014 Cameroon clashes
January 2015 raid on Kolofata