North Korea-South Korea tensions high as letters lodged with UN, howitzer spotted

North Korea and South Korea have seen heightened tensions this week. North Korea sent a letter to the UN Security Council, accusing South Korea of fabricating a September landmine incident within the Demilitarized Zone (DMZ). Additionally, a North Korean howitzer was spotted near the border, marking a rare public display of such artillery.

South Korean news agency Yonhap identified the weapon as a self-propelled 122-mm howitzer, which was positioned in clear view near the frontier. Professor Lim Eul-chul from Kyungnam University in Seoul stated that exposing such artillery publicly signals North Korea's intention to enforce its border policy through force rather than dialogue or negotiation.

North Korea has consistently accused South Korea of violating the Korean War Armistice Agreement. The UN Command overseeing the DMZ has also claimed that a September 21 blast in the area was planted by North Korean troops, which they consider a violation of the armistice. However, North Korea denies any responsibility for the incident. South Korea's Unification Ministry responded by saying that the North Korean letter merely repeats their existing position and seeks to justify their border line marking work.

South Korea has proposed dialogue with North Korea in an effort to ease border tensions. The South Korean letter to the Security Council also accused Seoul of opening fire on North Korean personnel, which they claim constitutes a violation of the UN Charter. Seoul has stated that its military issues warning broadcasts and fires warning shots to send North Korean soldiers back across the border if they cross the military demarcation line (MDL).

This has led to a tense standoff in the past, with South Korea resuming anti-North Korea loudspeaker broadcasts across the DMZ, resulting in a military standoff. However, after North Korea expressed regret, the standoff was resolved through a high-level inter-Korean agreement in 2015.