Tennessee officials were unable to put Christa Gail Pike to death Wednesday for a 1995 murder, media witnesses said, after the lethal injection was halted for hours as courts considered a last-minute appeal of what would have been the state’s first execution of a woman in at least 200 years. Key points and original sources are listed below.

• Tennessee officials were unable to put Christa Gail Pike to death Wednesday for a 1995 murder, media witnesses said, after the lethal injection was halted for hours as courts considered a last-minute appeal of what would have been the state’s first execution o...S1S2