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South Korea's Joint Chiefs of Staff said Tuesday it is investigating the overall border security operations of a military unit after a civilian crossed the Civilian Control Line and damaged a fence at an inter-Korean border area, KBS World reports. The incident follows the apprehension of a woman in her 30s who made an unauthorized entry into a restricted front-line area near the border in Cheorwon, Gangwon Province, and reached the barbed-wire fence, according to Yonhap and the Korea Times. The military is questioning the woman, whose identity has not been disclosed. Korean media coverage focuses on the security lapse and the military's response, with the Korea Times noting the investigation into the unit's operations. There is no indication of public blog or café reaction in the supplied documents.