Christa Pike, who has been on death row for more than 30 years for torturing and murdering a classmate, was on Wednesday set to be executed, but the lethal injections meant to kill her failed. Pike was due to be the first woman put to death in the state in 200 years Key points and original sources are listed below.

• Christa Pike, who has been on death row for more than 30 years for torturing and murdering a classmate, was on Wednesday set to be executed, but the lethal injections meant to kill her failed. Pike was then transported to a medical facility, but except for the...S1

• Pike was due to be the first woman put to death in the state in 200 yearsS2

• Chaos in Tennessee as Christa Pike survives two doses of lethal injectionS3

• The high-profile execution of murderer Christa Pike is in disarray after two lethal injections failed to kill her.S4