Executed in US may be awake as they suffocate

“Some prisoners executed by lethal injection in the United States may die of suffocation while they are still conscious and in pain, University of Miami researchers said in a study that concluded the drugs do not work as intended.

The study, published in the Public Library of Science journal PLoS Medicine, raised new questions about whether the lethal cocktail violates the US constitutional ban on cruel and unusual punishment.” (Stuff.NZ)