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The Russian army has been sent in to investigate a collapsed mountain in Siberia amid claims a meteorite or UFO caused the massive rockfall.
A massive 525ft high mound is now substantially blocking the Bureya River, threatening remote villages with flooding.
So much rock shifted that it would fill 13,600 Olympic-sized swimming pools, according to reports.
The Russian army has been dispatched to the scene to determine the cause of the rockfall.
The military is being tasked with 'moving the mountain' using explosives and equipment to allow the water to flow again.
But experts say nearby rock is fractured and a second gargantuan landslide is not ruled out.