What happened in failed execution of Christa Pike?

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US convicted murderer Christa Pike is in hospital and being given "life-saving measures" after Tennessee authorities failed in their attempt to execute her by lethal injection. The case of Pike, whose attempted execution had already been the subject of a high-profile legal battle, has raised a number of questions. We speak to journalists who witnessed what happened. Another wave of landslides and heavy rain has killed about 30 people in Nepal, as the Himalayan nation reels from August's catastrophic flooding that left 1,400 dead and thousands more missing. We speak to our Environment Correspondent. Presenter: James Reynolds Photo: Christa Pike enters a Knox County Criminal Court. Credit: Reuters