[JURIST] Updating a Saturday report on JURIST's Paper Chase, US military officials Sunday raised the casualty total [AP report] from Saturday's late-night attack on the infamous Abu Ghraib prison [JURIST news archive] to 56, including 44 Americans and 12 detainees. Al Qaeda has claimed responsibility [Reuters report]. At least 40 insurgents fired rocket-propelled grenades against the facility and exploded two car bombs in the course of the assault.