A South Korean soldier at the inter-Korean border accidentally fired a machine gun toward North Korea last week, prompting the military to air broadcasts to notify the North of the mistake, military officials said Sunday.

The accident happened at around 6:00 a.m. Wednesday when the soldier mistakenly fired a single round from the K6 heavy machine gun from a guard post inside the Demilitarized Zone separating the two Koreas in Cheorwon County, about 70 kilometers north of Seoul, according to the officials.