A number of Britain's RAF and army bases have increased security, following two separate incidents.
At the Buldford Camp in Wiltshire, police were called to investigate reports that three people seen with a rifle.
It comes after an out-of-uniform serviceman fought off abductors at an RAF base on Wednesday, as our UK Correspondent Natalie Powell reports.
IN: A police helicopter
OUT: SOC
DUR: 37 seconds
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