(Beaverton, OR) -- A garage fire damaged apartments in Beaverton Tuesday morning. The apartments are located on Davies Road and when the first firefighters arrived, heavy fire was spreading to residential units above. Smoke alarms helped alert residents, and someone pulled a manual alarm to alert everyone in the complex. Three residents were evaluated for smoke inhalation but didn't go to a hospital. Eight units were damaged and 20 people were displaced. The fire was caused by improper disposal of fireplace ashes.