Question: Before the Ganghwa massacre, 140 people were executed in Ganghwa in what is known as which war crime against communists and suspected sympathizers that occured in the summer of 1950?
Sentence (from "Ganghwa massacre"): The Ganghwa massacre (Korean: 강화 양민학살 사건 , Hanja: 江華良民虐殺事件) was a massacre conducted by the South Korean forces, South Korean Police forces and pro-South Korean militiamen, between 6 and 9 January 1951, of 212 to 1,300 unarmed civilians in the Ganghwa county of the Incheon metropolitan city in South Korea.
Relevant evidence: No