(AP) — Eight death row inmates have asked a judge to cancel their upcoming lethal injections in Arkansas, where executions have been on hold for a decade, arguing that prison officials' refusal to reveal where they obtain execution drugs is unconstitutional. "Midazolam cannot, at any dosage, render a person unconscious and insensate to pain, and the other drugs in the listed protocol indisputably cause extreme pain and suffering," he wrote in the filing. The filing asks the county court to block the state from using its specific drug protocol or executing any inmate under the secrecy law, and asks that the state be ordered to reveal the source of its drugs.