SEOUL, South Korea — A malfunctioning South Korean ballistic missile blew up as it plowed into the ground Wednesday during a live-fire drill with the United States that was a reprisal for North Korea's successful launch a day earlier of a weapon that flew over Japan and has the range to strike the U.S. territory of Guam.
The explosion and subsequent fire panicked and confused residents of the coastal city of Gangneung, who were already uneasy over the increasingly provocative weapons tests by rival North Korea. Their concern that it could be a North Korean attack only grew as the military and government officials provided no explanation about the explosion for hours.
South Korea's Joint Chiefs of Staff said no injuries have been reported from the explosion, which involved a short-range Hyumoo-2 missile that crashed inside an air force base in the outskirts of the city. It said the crash didn't affect any civilian facilities.
Kwon Seong-dong, a ruling party lawmaker representing Gangneung, wrote on Facebook that a "weapons system operated by our blood-like taxpayer money ended up threatening our own people" and called for the military to thoroughly investigate the missile failure. He also criticized the military for not issuing a notice about the failure while maintaining a media embargo on the joint drills.
"It was an irresponsible response," Kwon wrote. "They don't even have an official press release yet."
South Korea's military acknowledged the malfunction hours after internet users raised alarm about the blast and posted social media videos showing an orange ball of flames emerging from an area they described as near the air force base. It said it was investigating what caused the "abnormal flight" of the missile.
Officials at Gangneung's fire department and city hall said emergency workers were dispatched to the air force base and a nearby army base in response to calls about a possible explosion but were sent back by military officials.
The U.S. and South Korean militaries are conducting the joint exercises to show their ability to deter a North Korean attack on the South. During Tuesday's drills, they conducted bombing runs by F-15 strike jets using precision munitions and launched two missiles each that are part of the Army Tactical Missile System.
Seoul's Joint Chiefs of Staff said the U.S. aircraft carrier USS Ronald Reagan was scheduled to return to waters east of South Korea on Wednesday to demonstrate the allies' "firm will" to counter North's continued provocations and threats. The carrier was part of drills last week with South Korea and Japan.
The homegrown Hyumoo-2 is key to South Korea's preemptive and retaliatory strike strategies against the North. Some versions of the missile are similar to Russian-designed Iskander missiles, which are part of North Korea's arsenal.
North Korea's successful launch of a nuclear-capable ballistic missile hours before the drills was the country's most provocative weapons demonstration since 2017 and was its fifth round of weapons tests in 10 days.
That missile has a range capable of striking Guam, which is home to one of the largest military facilities maintained by the U.S. in Asia. North Korea in 2017 also tested missiles capable of hitting the continental United States.
North Korea has fired nearly 40 ballistic missiles over about 20 different launch events this year, exploiting Russia's war on Ukraine and the resulting deep divide in the U.N. Security Council to accelerate its arms development without risking further sanctions.
Its aim is to develop a fully fledged nuclear arsenal capable of threatening the U.S. mainland and its allies while gaining recognition as a nuclear state and wresting concessions from those countries.
The United States, Britain, France, Albania, Norway and Ireland called for an emergency meeting of the U.N. Security Council over the latest North Korean launch. The open meeting was scheduled for 3 p.m. Wednesday.
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