Radio Pyongyang sent out secret messages in the early hours of the morning, listing a series of numbers including “No. 69 on page 823”, “No. 92 on page 467” and “No. 100 on page 957”.
The numbers are believed to be encoded with a book cypher – a system common during the Cold War which tells spies to look up specific words on various pages of an agreed text which spell out a phrase.
The numbers are different from those previously sent out by the radio station, which last offered encrypted phrases on Sunday.
The numbers are different from those previously sent out by the radio station
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Before reading the list, the radio presenter said: “I’m giving review works in elementary information technology lessons of the remote education university for No. 27 expedition agents."
But South Korean insiders claimed the broadcast may be an attempt to spark confusion among intelligence services.
Tension in the Korean peninsula have skyrocketed after Donald Trump vowed to stand up to Kim Jong-un.
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South Korean insiders claimed the broadcast may be an attempt to spark confusion
Radio Pyongyang sent out secret messages in the early hours of the morning
Pyongyang has already warned of an upcoming “big and important event” ahead of ‘the Day of the Sun’, which takes place on Saturday April 15 in North Korea to commemorate the birth of the country’s founder, Kim Il-sung.
In recent years, the communist nation has launched nuclear tests to coincide with the national holiday, and satellite images have revealed “unusually high levels of activity” at Kim Jong-un’s Punggye-ri nuclear test site.
Experts say the images could mean a nuclear test is “imminent” as US Secretary of State Rex Tillerson has called for North Korea to destroy its nuclear arsenal.
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The numbers are believed to be encoded with a book cypher
And with China moving thousands of soldiers towards the border and Mr Trump carrying out strikes in Syria and Afghanistan, the possibility of a nuclear missile test threatens to spark a military response.
Donald Trump and Chinese leader Xi Jinxing met moments before the US President rained 59 Tomahawk missiles down onto a Syrian airfield believed to be responsible for chemical weapon strikes.