Extraordinary new claims have surfaced about one of North Wales greatest mysteries after a fresh appeal for information.

Around 8.30pm on January 23, in 1974, people reported hearing a huge bang, with earth tremors felt amid claims of a brilliant light in the sky above the mountain range.

Families in the villages of Llandderfel and Llandrillo were settling down to watch TV when an explosion was heard and the ground shook which measured 3.5 on the Richter scale.

At the time police received reports of an object exploding in the sky, strange lights and a mountainside fire and arrived in the area and a RAF search and rescue team was scrambled from Anglesey.

Some researchers have claimed a UFO landed or crashed, with further claims “bodies” were retrieved and taken away by soldiers.

Other theories suggest it was a meteor shower combined with an earthquake – the epicentre of which was at Bala Lake – and the misconception of poachers on the hillside carrying lamps.

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