U.S. soldiers and Afghan National Police found a large weapons cache stashed in a pair of caves in Paktia province, officials said Tuesday.

The find was made after a tip from residents of the village of Sultak in the Chamkani district.

The tip came during a medical project for some 50 people of the village. During a meeting, the villagers told troops about a compound they suspected was being used to hide weapons.

When Afghan police began searching the compound, they were shot at with machine-gun and rocket-propelled grenade fire, officials said. No injuries were reported in the gunfight.

The cache was found in two caves under animal pens. Among the explosives found were RPG rounds, mortar rounds, mines, grenades, blasting caps, machine-gun ammunition, a detonation cord, fuses and charges, blocks of explosives, and medical supplies.

Village elders helped move the munitions and “vowed to track down” the person responsible for the cache, U.S. officials said.

Under what’s known as the Small Rewards Program, villagers can be paid for their help in finding weapons caches. There was no information on what the cache find yielded for the Sultak villagers.

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