1 Chicago officer killed, 1 wounded in traffic stop shooting

A Chicago police procession for officer Ella French, who was shot and killed earlier during a traffic stop, drives by the Cook County Medical Examiners Office Sunday. (Tyler LaRiviere/Chicago Sun-Times via AP)

CHICAGO (AP) — A 29-year-old female police officer in Chicago was killed and another officer was seriously wounded in an exchange of gunfire during a traffic stop, officials said Sunday, the city’s mayor later citing the shooting as a reason for Chicagoans to work together to stem violence.