Earlier this week, North Korea flew hundreds of large balloons carrying trash and fertilizer into South Korea and carried out GPS jamming attacks in the waters near South Korea's northwestern border islands for the third consecutive day as of Friday. The country also fired short-range ballistic missiles on Thursday, Yonhap news agency reported.

The ministry in charge of inter-Korean affairs expressed "strong" regret over North Korea's "senseless and irrational" provocative acts.

Ministry spokesman Koo Byung-sam said, "The government takes North Korea's latest provocative actions very seriously. W will not tolerate such actions."

It said, "If North Korea does not stop its provocative actions, the government will take all measures, which North Korea cannot tolerate. We strongly warn that North Korea will bear all responsibility for what happens next." "