'Pirkooh Police was informed on illegal excavations in a village in the area,' said Colonel Hameed Mohammadi.
Ambushing the three wrongdoers, the police could arrest them, confiscate a medium-size and a small urn, he added.
He also said that some excavation equipment was confiscated as well.
The 62, 40, 40-year old detainees were delivered to the judiciary authorities.
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