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GCHQ intelligence agency reveals Christmas puzzle – containing hidden clues for an extra challenge | UK News
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GCHQ has revealed its annual Christmas puzzle, which this year contains hidden clues for those who want an extra challenge. The secretive UK spy agency, which focuses on communications intelligence and cybersecurity, says the puzzle is aimed at children aged 11-18. It is featured on a Christmas card sent by GCHQ’s director, Anne Keast-Butler. The…