North Korea fired a ballistic missile into the sea on Tuesday, South Korea’s military reported, continuing a recent series of weapons tests amid escalating tensions along the inter-Korean border. According to South Korea’s Joint Chiefs of Staff, the missile was launched from the eastern coastal city of Wonsan and traveled over 700 kilometers. South Korean and US forces are currently analyzing the missile’s trajectory and specifications. Japanese broadcasters indicated the missile likely landed outside Japan’s exclusive economic zone.

In response to the launch, South Korea’s military has heightened surveillance and vigilance for any further missile activity, coordinating closely with the United States and Japan. Seoul’s presidential national security office condemned the missile launch, describing it as a violation of United Nations Security Council sanctions and a serious provocation that undermines efforts to stabilize the region.

The missile test follows increased friction caused by landmine explosions along the heavily fortified inter-Korean border, which injured three South Korean soldiers earlier this month. Both South Korea and the US-led United Nations Command have accused North Korea of planting mines south of the military demarcation line. Pyongyang has denied responsibility, with Kim Yo-jong, sister of North Korean leader Kim Jong-un and a senior official in the regime, dismissing Seoul’s calls for an apology as “utterly pathetic.” She also indicated a permanent rupture in inter-Korean relations, reiterating North Korea’s intention to sever ties with the South.

Kim Yo-jong further warned of retaliation should South Korea take military action against North Korean troops reinforcing the border. These reinforcements include the installation of landmines and anti-tank barriers, part of what South Korea characterizes as intensified militarization efforts by the North following Kim Jong-un’s declaration earlier this year that Seoul is a permanent adversary. This shift represents a departure from Pyongyang’s previous stance advocating reconciliation between the two Koreas.

The recent missile launch is the latest in a string of military activities by North Korea, which have included missile tests, live-fire drills, and the introduction of a new warship. Since the breakdown of nuclear diplomacy with the United States in 2019, North Korean leader Kim Jong-un has largely abandoned talks with both Washington and Seoul, opting instead for a more confrontational approach.