 He added that Turkey signed to the Chemical Weapons Convention in 1997, and Turkey did not possess chemical weapons.Turkey has been a signatory to the Convention on the Prohibition of the Development, Production, Stockpiling and Use of Chemical Weapons and on their Destruction since 1997, and has passed all inspections required by such convention.In response to the activities of the PKK, the Turkish government placed Southeastern Anatolia, where citizens of Kurdish descent are in the majority, under military rule.