tunis turkish president tayyip erdogan wednesday call syrian president bashar al-assad terrorist say impossible syrian peace efforts continue syria foreign ministry quickly respond accuse erdogan support terrorist group fight assad syria civil war turkey demand removal assad power back rebel fight overthrow tone demand since start work assad ally russia iran political resolution assad definitely terrorist carry state terrorism erdogan tell televise news conference tunisian counterpart beji caid essebsi tunis impossible continue assad embrace future syrian president kill close million citizens say harsh comment weeks though turkey long demand assad removal focus syria threat islamist militants kurdish fighters consider ally kurdistan workers party pkk say form terror corridor southern border turkey say syrian kurdish ypg militia ankara view extension outlaw pkk fight insurgency southeast turkey since 1980s invite syrian peace talk kazakh capital astana ypg main element force washington assist train weapons air support help grind advisers battle islamic state u.s. support anger ankara nato ally washington despite differences russia iran turkey work two power search political solution syria ankara moscow tehran also broke deal set monitor de-escalation zone reduce fight insurgents syrian government force syria rebel-held northwestern idlib province say assad handle impossible turkey accept northern syria hand terror corridor peace syria peace come assad erdogan say syria state news agency sana quote foreign ministry source say erdogan continue misdirect turkish public opinion usual froth attempt absolve crimes commit syrian people advance support various terrorist group syria turkey 's erdogan call syria 's assad terrorist say impossible continue