ST. LOUIS - An investigation is underway Wednesday morning to determine what sparked a fire in south St. Louis that one person injured.
The fire broke out shortly after 3:30 a.m. at a building on Giles Avenue near Montana Street.
When firefighters arrived, they found fast-moving flames coming from the apartment.
Fire investigators say one person jumped out of a second story window to escape from the flames.
The victim was taken to an area hospital.