North Korea has tested a new rocket engine as part of its efforts to build a missile capable of reaching the American mainland, US officials said.
The news comes amid rising tensions between Washington and Pyongyangover the North’s nuclear ambitions.
The Trump administration has made the issue one of its top priorities.
Despite international condemnation, North Korea has increased its missile tests, with the aim of developing an intercontinental nuclear-armed rocket.
The US Defense Intelligence Agency warned last month that North Korea was on an “inevitable” path to achieving this.
US officials speaking anonymously to several news agencies said the latest engine test, on Thursday, could be one stage of an intercontinental ballistic missile (ICBM) engine that would be able to reach the US.
Due to the secretive nature of all of North Korea’s military activity, it is hard for experts to assess how close the country is to building a reliable ICBM.
North Korea’s missiles – what do we know?
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North Korean missiles can already reach South Korea or Japan, both countries have a US military presence.
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A missile to reach the US mainland is in development but it’s not clear what stage the project is at.
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North Korea has conducted several successful nuclear tests.
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But it’s thought they have not yet managed to build a nuclear warhead small enough to fit on a missile.
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How advanced is North Korea’s nuclear programme?
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North Korea’s missile programme
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What can the US do about North Korea?
