PENNINGTON, N.J. (CBS) — Fire tore through a barn overnight in Mercer County, New Jersey.

Flames broke out around 11 p.m. Tuesday in the 300 block of Pennington-Titusville Road in Pennington.

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Officials say firefighters struggled to contain the three-alarm blaze because there were no hydrants in the area.

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Crews brought in tankers and were able to place the fire under control, but not before the barn was destroyed by the flames.

No animals were injured in the fire.

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Investigators are trying to determine what sparked the blaze.