yaounde separatists cameroon anglophone region kill four security force several attack past days government say saturday unprecedented violent turn movement risk morph full blow insurgency government crackdown separatists kill dozens people since october drive many arm once-fringe separatist movement ahead presidential elections 2018. follow demonstrations year ago english-speakers western region border nigeria see marginalization mostly french-speaking government president paul biya power 35 years minority want secede however secessionists around decades operate underground largely non-violent weeks ago spokesman separatists acknowledge late attack dispute detail government account say five security force kill saturday statement communications minister issa tchiroma give detail kill two gendarmes report tuesday wednesday say two attack thursday night kill two soldier refer attack early week tchiroma say assailants arm machetes storm high school town jakiri tuesday separatists disrupt school teach french gendarmes arrive scene stop one kill resultant scuffle tchiroma say execute cho ayaba lead member political wing separatist movement live abroad tell reuters dakar telephone kill firefight wednesday restive city bamenda another attack leave gendarme dead tchiroma say ayaba report two deaths security force attack thursday night insurgents kill soldier bamenda slit throat tchiroma say another female soldier guard bridge speak four members defense security force duty kill murder terrorists behalf secessionist movement tchiroma say ayaba contradict say deaths occur shootouts one throat slit absolute nonsense say physical contact cameroon language divide legacy world war one league nations split former german colony kamerun ally french british victors hundreds anglophone cameroonians sweep mass arrest follow demonstrations oct. least 5,000 flee crisis neighbor nigeria crackdown include cut internet lock opponents use helicopter gunships fire civilians lack political solution fast transform protest movement arm rebellion cameroon soldier enforce occupation ayaba say thing make us stop attack regime withdraw ... stop use military impose political exclusion systematic terror people cameroon separatist attack kill four security force government