PORTLAND, Ore. – A 57-year-old woman died and two others were injured early Wednesday when a mattress caught fire at a southwest Portland retirement community, authorities said.

The fire ignited in an apartment on the fourth floor of the Bronaugh Apartments at 1434 S.W. Morrison St. shortly after midnight, according to Kim Kosmas, a spokeswoman for Portland Fire & Rescue.

When firefighters arrived, sprinklers in the building were controlling the blaze, and crews were able to quickly extinguish it, Kosmas said.

Two people lived in the apartment; the woman died and another was rescued by another tenant, both of whom were taken to an area hospital for treatment of smoke inhalation, Kosmas said.

Fire officials did not release the names of anyone involved.

The building was evacuated due to smoke that had filled the hallways, Kosmas said.

The fire caused an estimated $20,000 damage, she said.

Officials were still investigating what caused the mattress to ignite.