North Korea just denied bombing its own border and threatened immediate retaliation
1 day ago · 30 September 2026Share
Secretary of War Pete Hegseth enters Observation Post Ouellette in the Korean Demilitarized Zone. File photo. Lt.Cmdr. Brendan Trembath · Public domain
North Korea just denied it planted the land mines that wounded three South Korean soldiers.
And it's warning it will hit back immediately if anyone fires on its troops.
The blast happened nine days ago, inside the Demilitarized Zone. Two of the three soldiers were critically hurt.
Today, Kim Yo-jong spoke out. She's the sister of North Korean leader Kim Jong-un, and a director in the ruling Workers' Party.
She said North Korean soldiers never crossed the border. She called Seoul's findings fake. And she said the fortification work going on is just North Korea using its own land — no military purpose at all.
So that's North Korea's side. Now here's South Korea's.
Three days ago, South Korea's Joint Chiefs of Staff said it was highly likely North Korean mines caused the blast.
The next day, Defence Minister Kang Shin-chul told lawmakers something important. The mine at the scene had been planted. Not shifted there by weather. And it was probably linked to North Korea's border fortification work.
Then today, the UN Command weighed in. It oversees the Armistice that ended the Korean War. It said its joint investigation with South Korea's military found the Armistice had been broken.
Three findings. Three different days. All pointing the same way.
So what's the actual evidence? Blast marks. Explosive residue. And the mines themselves.
Kwon Dae-won is the vice chairman of South Korea's Joint Chiefs of Staff. He says there's a very high possibility North Korean mines caused the blast, pointing to a third mine found at the site.
At least four North Korean mines are believed to be at the site. That includes the two that went off.
So Seoul isn't pointing to one mine. It's saying there are several, planted at several points south of the line that divides the two Koreas.
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Contains imagery from NASA Johnson Space Center showing the border between South Korea and North Korea from the International Space Station, highlighting the stark contrast in nighttime lights between the two countries. File photo. NASA Johnson Space Center · Public domain
Lt. Gen. Kang Hyun-woo runs operations for South Korea's Joint Chiefs of Staff. He demanded an apology from North Korea today. He said Pyongyang bears full responsibility for whatever happens next.
He told reporters the mines break the Armistice Agreement and go against the spirit of the deals the two Koreas have made since.
That's South Korea's military, on the record, calling this a direct breach of the deal that ended the war.
Kim Yo-jong's answer is total denial.
She says quote "our border units will take immediate and merciless retaliate attack" if South Korean forces fire on them, even with warning shots.
So any shot fired at her soldiers — even a warning shot — gets hit back immediately. That's what she's saying.
She also accused South Korea's military of threatening North Korean soldiers with warning broadcasts and shots during that fortification work.
And she brought up 2015. Back then, a South Korean noncommissioned officer was badly hurt by a mine believed planted by North Korean soldiers who had crossed the line. Kim Yo-jong says this time is different. She's calling it a self-staged farce, not a real incident.
So now both governments are on record. And they're saying the opposite thing.
Seoul and the UN Command say the mines were deliberately placed. Pyongyang says its soldiers never crossed the line, and the whole finding was invented.
Here's what we don't know. Whether the mines could have shifted there naturally — though South Korea's inspection says that's been ruled out. Whether Kim Yo-jong's threat means an actual change at the border, or if it's just words. And what North Korea's "permanent project for the southern border" actually involves, beyond the fortification work already reported.
One more thing worth knowing. The Demilitarized Zone is 248 kilometres long and 4 kilometres wide. An estimated 2 million mines are already buried in and around it, most laid decades ago by both sides.
Neither side is talking about backing down.
South Korea wants an apology it hasn't got. North Korea has promised immediate retaliation for a shot that hasn't been fired.
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