Failed US execution sparks death penalty debate

Christa Pike's botched execution has reignited the debate surrounding the death penalty in the United States. Tennessee's head of prisons is to resign amid growing scrutiny. Also: Ethiopians fear a return to civil war after government forces take control of the Tigrayan regional capital. Tens of thousands of people protest against the housing crisis in Spain. Investigators say the co-pilot of the FlyDubai plane attacked his captain with an axe kept inside the cockpit. Nearly 200 people are under medical observation after a Russian lab worker reportedly died from pneumonic plague. Germany's Oktoberfest is handing out shorts to female riders after a surge in upskirting videos. And a new species of lizard has been discovered living high up in the Peruvian Andes.

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Photo: Death chamber seen through the steel bars from the viewing room at the state penitentiary in Huntsville, Texas in September 2010. Credit: Texas Department of Criminal Justice via Reuters