An on-duty police officer was killed in a crash with another vehicle whose driver also died in Memphis, authorities said. Officials said the collision happened at about 2:30 a.m. Thursday while the officer was responding to a call in southeast Memphis, news outlets reported. The officer died at a hospital, and the other motorist died at the scene of the crash, police said. Memphis Mayor Jim Strickland identified the officer as Corille Jones. The other driver was not immediately identified.