An enormous crater found in an open field in Germany over the weekend is thought to have been caused by the explosion of a World War II bomb.

Police in central Germany said the crater had been discovered near Limburg-Ahlbach on Sunday afternoon.

Drone pictures showed the huge eyesore, which is around 30 feet in diameter and 12 feet in depth.

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There was no initial evidence found to link it to a bomb explosion, and a statement from police said there were "no indications of causation by machines or farm tools."

But residents reported hearing a "strong explosion" in the early hours of the morning on Sunday, which was followed by "a quake."

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