AURORA, Colo. (CBS4)– Fire investigators in Aurora believe arson is responsible for a fire that broke out at a condo complex that forced three residents out of their homes.

Two units were damaged in the building located at 170 South Sable Boulevard. Fire crews rushed to put out the fire at the burning building just after 2 a.m. Wednesday.

Aurora Firefighters believe arson is to blame for a condo fire on S. Sable (credit: CBS)

Aurora Firefighters believe arson is to blame for a condo fire on S. Sable (credit: CBS)

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Firefighters got the flames under control in six minutes after arriving at the scene, and authorities said they heard reports that neighbors helped to put out the fire before their arrival.

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Although the cause is believed to be arson, no suspects have been named or charged.

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No one was hurt in the fire.