Milwaukee officer killed serving warrant; suspect arrested

MILWAUKEE (AP) — A 17-year police veteran was shot and killed as he served a warrant on Milwaukee's south side Wednesday, becoming the city's third officer to be killed in the line of duty in eight months, authorities said.Officer Matthew Rittner was a tenured member of the Milwaukee Police Department's Tactical Enforcement Unit, which was conducting a search warrant on someone wanted for illegally selling firearms and drugs, Sgt. Sheronda Grant said in a news release Wednesday night. She