North Korea fired a short-range missile into the sea and tried to jam GPS navigation signals in South Korea, Seoul officials say, hours after US, South Korean and Japanese leaders pledged to work closer together to prevent North Korea from advancing its nuclear and missile programs.
North Korea's official Korean Central News Agency says that authoritarian leader Kim Jong Un expressed "great satisfaction" after observing a successful live-fire test of a new anti-air weapons system, but didn't say when and where the test took place.
South Korean military officials on Friday said they detected the North firing a surface-to-air missile off its east coast, and it wasn't immediately clear if the two were linked.
South Korean officials said the attempt to jam GPS signals, which began on Thursday, did not cause any major disruptions of South Korean military, aviation and sea transport and telecommunication systems. However, more than 130 fishing boats reported problems with their navigation systems and some were forced to return to their ports, the Ministry of Oceans and Fisheries said.
South Korea's Defense Ministry called the jamming attempt a provocation that threatened public safety and military operations in the South. A ministry statement warned North Korea to immediately stop the jamming efforts or face unspecified consequences.
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South Korea has blamed North Korea for several previous jamming attempts. This week's jamming signals are the first since 2012, according to South Korea's Science Ministry. North Korean state media had no immediate comment.
The North's launch of a surface-to-air missile on Friday came three days after it launched a projectile that hit land in its northeast. South Korea's Defense Ministry and Joint Chiefs of Staff offered no immediate comment on whether KCNA's report on Saturday was related to Friday's launch.
