CHICAGO (STMW) -- A Chicago police officer saved a woman's life Saturday afternoon at O'Hare International Airport.

At 3:41 p.m., a 21-year-old woman collapsed and lost consciousness inside the airport. A Chicago Police officer assigned to the Airport Law Enforcement District responded immediately and performed CPR, police said.

The officer, a 19-year Chicago Police Department veteran, requested an AED, but the woman regained consciousness before the equipment arrived, police said.

The woman, a Chicago native, was taken to an area hospital where she was treated and released, police said.

(Source: Sun-Times Media Wire © Chicago Sun-Times 2016. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)