guiglo ivory coast ethnic-fueled land dispute drive thousands farmers illegal plantations ivory coast main cocoa belt threaten start harvest world top producer humanitarian workers local government officials say least 3,000 people already displace violence government say last week two people kill clash soldier send area ivory coast main production area decades subject explosive dispute land ownership native group area migrants neighbor countries part ivory coast late dispute break last month members alliance guere yacouba wobe ethnic group enter cavally gouin-debe forest reserve western ivory coast threaten ethnic baoules migrants burkina faso farm threaten kill us leave village within 10 minutes say gouin-debe cocoa farmer pierre koffi kouame around 30 small villages area live visit youths anyone harm grow cocoa say 2017/18 cocoa season ivory coast begin oct. follow record harvest million tonnes last season grow areas hit peak production within next three months cocoa already many pod ripe already harvest last week say sylvain kouadio flee plantation near town blolequin late last month nothing do cocoa go rot must stay tree long ivorian park reserve office oipr manage protect land estimate 40 percent ivorian cocoa production come illegal plantations cocoa farmers illegally set plantations within ivory coast national park forest reserve decades phenomenon accelerate decade-long political crisis civil war end 2011. tensions land ownership major factor contribute political crisis western cocoa grow areas saw bad violence two civil war 2002-2003 2011. reuters reporter saw hundreds families recently push forest camp premise local government build town guiglo seek shelter children meager belong rain local government official say displace forest typically stay three four days look new place live want take back land outsiders occupy years say rigobert toualy member alliance guiglo ethnic land dispute force thousands flee ivory coast cocoa belt