The military of the Democratic People's Republic of Korea (DPRK) fired two shots toward a South Korean military guard post near the inter-Korean border in Hwacheon, Gangwon Province, late Friday, Seoul's Ministry of National Defense confirmed to Xinhua.
The shooting took place at around 17:26 local time (0826 GMT), the ministry said.
It has not been confirmed whether the shooting was accidental, but South Korean side immediately returned three shots, the ministry's press office told Xinhua.