North Korea warns immediate counteraction over DMZ intrusion

North Korea warned on Tuesday of "immediate and powerful counteraction" if South Korean forces cross its border "even a millimetre", raising the prospect of rapid escalation at the DMZ.

Reaction pending.

Joint Chiefs cite MDL mines

The South's Joint Chiefs of Staff announced their investigation concluded antipersonnel mines planted south of the Military Demarcation Line caused the September 21 blast that left two South Korean soldiers critically injured, officials said. Seoul said it conducted a mine-clearing operation coordinated with the UN Command and described the mission as a decisive response.

Pyongyang's foreign ministry denied responsibility and accused Seoul of fabricating the incident to portray the DPRK as the aggressor, the ministry said. It warned that any crossing beyond the border will prompt an immediate military response and rejected talks over its exercise of military sovereignty.

MDL markers and next steps

Unification Minister Chung Dong-young proposed meeting to resolve discrepancies in the MDL, citing faded boundary markers as a factor in the blast. Officials said a military task force launched earlier this year is discussing MDL restoration with the UN Command, which has urged clearer markers along the line.

Officials said Seoul will press the UN Command for military-level talks with Pyongyang and for a timetable to re-establish MDL markers by October 13, 2026. The date will test whether diplomacy can defuse a confrontation or whether North Korea's threat leads to sustained border tension.