Phong Nhị and Phong Nhất massacre.
The Phong Nhị and Phong Nhất massacre (Korean: 퐁니·퐁넛 양민학살 사건, Vietnamese: Thảm sát Phong Nhất và Phong Nhị) was a massacre of unarmed citizens in the villages of Phong Nhị and Phong Nhất, Điện Bàn District of Quảng Nam Province in South Vietnam reported to have been conducted by the 2nd Marine Brigade of the Republic of Korea Marines (ROKMC) during the Vietnam War on 12 February 1968.