Light shed on famous UFO mystery in Pembrokeshire

12 July 2012 Last updated at 16:36 ET Help

It looks like one of Wales' most famous UFO mysteries was nothing more than an elaborate prank.

Documents released on Thursday by the National Archive show that the Ministry of Defence looked into a surge of sightings around Pembrokeshire during the 1970s, which became known as the Dyfed Triangle.

Abigail Neal reports.

Files shed new light on UFO Wales

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