U.S. lethal injection survivor returns to prison

The convicted murderer who survived a botched execution attempt in the state of Tennessee last week has been discharged from hospital and returned to prison, her lawyers said Saturday.Christa Pike, 50, was administered two lethal doses of the drug pentobarbital on September 30 that failed to kill her.She was transported to hospital in critical condition but later regained consciousness, with her lawyers saying this week that she was walking around but in a “foggy” mental state.&ldqu