A total of 180 PKK terrorists have been killed in operations in southeastern Turkey since Dec. 15, Turkish General Staff announced Friday.Military sources speaking to Anadolu Agency on condition of anonymity said there was an additional death toll of 25 within the same period.The terrorist organization suffered casualties in the southeastern provinces of Şırnak, Diyarbakır, Mardin and Bitlis, where operations continue.A total of 139 PKK terrorists have been killed in Cizre district of Şırnak province, and 33 in Sur district of Diyarbakır province.The PKK - considered a terrorist organization by the U.S. and the EU - resumed its armed campaign in late July. Since then, more than 200 members of the security forces have been killed and over 1,700 PKK terrorists killed.