DAVENPORT, Iowa (AP) — Davenport authorities are trying to determine the cause of a fire that killed one person. The victim was found Sunday afternoon on the second floor of an apartment building. The Quad-City Times reports that firefighters encountered smoke in the main hallway and sprinklers activated in the apartment. The sprinklers had put out the fire, which was contained to the apartment. Firefighters found the victim dead inside the apartment. The name of the victim has not been released.