US government websites have been hacked with a message supporting the Islamic State terrorist group.

A lawyer for a Ohio killer whose slow, gasping execution with a new drug combination renewed questions about the death penalty was suspended temporarily amid an investigation into whether he coached the condemned man to fake symptoms of suffocation, it has emerged.

Cleveland kidnapper Ariel Castro may have died from auto-erotic asphyxiation — not suicide — and two prison guards falsified logs documenting observation of him in the hours before he died, the state said.

Prison guards falsified logs documenting their observation of Cleveland kidnapper Ariel Castro in the hours before he died, a report says – and he may have died from auto-erotic asphyxiation.