Seoul, Mar 19: North Korean leader Kim Jong Un supervised a live-fire drill of nuclear-capable "super-large" multiple rocket launchers designed to target South Korea's capital as he vowed to boost his war deterrent in the face of deepening confrontations with rivals, state media said Tuesday.

The report came a day after the South Korean and Japanese militaries said they detected North Korea firing multiple short-range ballistic missiles toward waters off its eastern coast, adding to a streak of weapons displays that have raised regional tensions. North Korea: Kim Jong Un Rides in Luxury Russian Limo Gifted by Vladimir Putin.

Experts say North Korea's large-sized artillery rockets blur the boundaries between artillery systems and ballistic missiles because they can create their own thrust and are guided during delivery. The North has described some of these systems, including the 600 mm multiple rocket launchers that were tested Monday, as capable of delivering tactical nuclear warheads.

Photos published by the North's official Korean Central News Agency showed at least six rockets being fired simultaneously from launch vehicles and flames and smoke blanketing what appeared to be a small island target.

The KCNA said North Korean troops following the salvo launches also conducted a separate test that simulated a midair explosion of an artillery shell at a pre-set altitude. The report didn't specify whether that test was to rehearse how a nuclear weapon would be detonated over an enemy target.

Kim called the 600 mm multiple rocket launchers as key parts of his growing arsenal of weapons that are supposedly capable of destroying the South Korean capital of Seoul if another war breaks out on the Korean Peninsula.

"(Kim) said that it is necessary to further impress upon the enemies that if an armed conflict and a war break out, they can never avoid disastrous consequences," the KCNA said. He called for his army to "more thoroughly fulfil their missions to block and suppress the possibility of war with the constant perfect preparedness to collapse the capital of the enemy and the structure of its military forces."

North Korea's launches came days after the end of the latest South Korean-US combined military drills that the North portrays as an invasion rehearsal. It was unclear whether the North timed the launches with a visit to Seoul by US Secretary of State Antony Blinken, who on Monday attended a democracy summit and held talks with South Korean officials over the North Korean threat.

Tensions on the Korean Peninsula have risen since 2022, after Kim used Russia's invasion of Ukraine as a distraction to accelerate his testing of missiles and other weapons. The United States and South Korea have responded by expanding their combined training and trilateral drills involving Japan and updating their deterrence strategies built around strategic US assets. North Korean Leader Kim Jong Un Drives New-Type Tank During Drills and Calls for Efforts To Prepare for War.

There are concerns that North Korea could further dial up pressure in an election year in the United States and South Korea.

In a fiery speech to Pyongyang's rubber-stamp parliament in January, Kim declared that he was abandoning North Korea's long-standing goal of reconciliation with the South and ordered the rewriting of the North's constitution to cement its war-divided rival as its most hostile adversary. He said the new charter must specify North Korea would annex and subjugate the South if another war broke out.

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