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South Korea to respond firmly to North Korean breaches of border, security aide says

By Thomson Reuters Oct 29, 2026 | 10:35 PM

SEOUL, Oct 30 (Reuters) – South Korea will respond firmly to protect the military border with North Korea despite ​claims by Pyongyang that it ‌is conducting operations on its side of the line, Seoul’s national security adviser Wi Sung-lac said on Friday.

Tensions have spiked since a ‌landmine ​blast inside the Demilitarised ⁠Zone (DMZ) border seriously wounded ⁠several South Korean soldiers on a reconnaissance mission last month, which Seoul has said was caused by a North ​Korean mine.

The UN Command, which oversees the DMZ, has said a ⁠North Korean mine across ⁠the line violated the armistice. ​Seoul has demanded that Pyongyang immediately halt ​fortification work near the inter-Korean border, saying ‌the activity has raised tensions.

Pyongyang has denied responsibility for the mine and Kim Yo Jong, the powerful sister of ⁠leader Kim Jong Un, said on October 21 that North Korea will activate anti-South Korean ⁠propaganda loudspeakers ‌along its entire border ⁠by the end of October.

South ​Korea’s ‌spy agency said on Thursday that ​North ⁠Korea had not yet started any broadcasts.

Both Koreas have previously used such broadcasts as part of psychological warfare campaigns.

(Reporting by Jack Kim and Heejin Kim Editing by ​Ed Davies)