Tennessee unable to carry out the execution by lethal injection of Christa Gail Pike  CTV NewsTennessee Death Row Inmate Christa Pike Still Alive After Attempts to Execute Her, Lawyers Say  The New York TimesAfter day of delays, witnesses say Tennessee unable to carry out execution of Christa Pike  CBCOpinion | Justice Sotomayor was right about the Supreme Court overstepping in Christa Pike’s case  MS NOWChrista Pike latest: Killer rushed to hospital after surviving execution attempt  The Independent