TEMPE, Ariz. - Fire crews responded to report of a fire on Mill Avenue Thursday morning.

According to a spokesperson for Tempe fire, the first unit that arrived found smoke coming from the roof of a two story building which houses different businesses, including restaurants like Gordon Bierch.

Tempe fire says, the fire was coming from a pizza oven on the second floor.

The entire building was evacuated, and no injuries were reported.

The smoke was limited to a small portion of the second floor and the fire was confined only to the ventilation system, according to Tempe fire.

Investigation into the cause is ongoing.