DALLAS (CBSDFW.COM) – A massive fire swept through a vacant commercial building in northwest Dallas on Tuesday morning, sending flames shooting into the air and bringing a four-alarm response from Dallas Fire-Rescue.

Firefighters were first called to the 9600 block of Overlake Drive near Northwest Highway around 12:30 a.m. on reports of smoke in the area. When the first units got to the scene, they found a large commercial building with fire showing.

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It took several hours to get the flames knocked down. The fourth alarm was called for manpower purposes, officials said.

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There has been no word, at this point, on what caused the fire, and no reports of injuries.

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