(Hazel Dell, WA) -- Fire damaged six units in a Hazel Dell apartment complex Tuesday afternoon. When firefighters arrived the flames spread from a second floor balcony to the third floor and into the attic. There were no injuries reported. Sixteen people were displaced and they received help from the Red Cross with temporary housing. The investigation into the cause of the fire is ongoing. Clark County Fire District 6 says it's important to make sure fires and smoking materials are put out and not left unattended.