MODESTO (CBS13) — A fire damaged an A&W fast food restaurant in Modesto early Wednesday morning.

Modesto Fire says crews responded to the business in the 1400 block of G Street around 6 a.m.

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Firefighters found that flames from a fire, that appears to have started outside, were starting to get inside the building.

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Crews went on the offensive and were able to quickly put out the flames. No injuries have been reported.

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Investigators believe the fire started at a homeless camp. No other details have been released.