SAN FRANCISCO (CBS SF) – Residents, including young children and babies, were forced to quickly evacuate a commercial and residential building in the San Francisco Mission District late Friday when flames broke out on the second floor.

San Francisco deputy fire chief Brook Baker said crews encountered smoke and flames coming from the building at 3906 Mission Street when they arrived at the scene around 10:30 p.m.

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As the crews rushed into the building to bring fire hoses to the second floor, they met residents who fled the building.

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“The first company arrived on site and immediately led a line up to the second floor,” he said. “When everything was prepared, we had to evacuate residents with babies and children.”

No casualties were reported, but one dog died in the flames.

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The Red Cross helped the 13 residents who were displaced by the fire. A cause of the fire has yet to be determined.