The helicopter's pilots believed they were being pursued by an unidentified craft at high speed, and now newly released police logs have cast doubt on the official explanation The chopper appeared to be pursued above RAF Lakenheath (Image: Getty Images)

A police chopper was reportedly forced to take 'emergency evasive action' after being 'targeted' by a UFO over a US air base in the UK. Officials claimed the close encounter was merely with a passing fighter jet - but newly released incident logs have thrown this into doubt, indicating something much more mysterious and potentially terrifying .

A National Police Air Service EC135 helicopter was said to have narrowly avoided a collision with the unidentified flying object in airspace around RAF Lakenheath, a US military base

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