North Korea fires ballistic missiles as South and US begin drills

Our military will bolster surveillance and maintain a full readiness posture under close cooperation with the United States,

the JCS added

This is a dangerous provocative act of leading the acute situation on the Korean peninsula, which may spark off a physical conflict between the two sides by means of an accidental single shot,

said Pyongyang's foreign ministry, according to the Korean Central News Agency

Our military has detected at around 13:50 (0450 GMT) multiple unidentified ballistic missiles fired from Hwanghae province into the West Sea,

the Joint Chiefs of Staff said, referring to the body of water also known as the Yellow Sea