Korean War
The Democratic People's Republic of Korea (the North) and the Republic of Korea (the South) have been at war since 1950, the beginning of the 
, which had no peace treaty which was signed by the two parties. The United Nations Military Armistice Commission, which supervises the armistice that stopped major hostilities during the Korean War, will investigate the event and ask the North Koreans for an explanation.
North and South Korean border guards exchange fire