US Marines guarding the prison shot and killed the driver and detonated the vehicle. The driver was killed and seven others believed involved in the attack were captured. No one at the prison was hurt. The American Forces Press service has more from Baghdad. Abu Ghraib, currently the focus on an ongoing scandal involving US military treatment of Iraqi detainees, has been the target of many attacks in the past, mostly seriously in April 2004 when mortars killed 22 Iraqi prisoners and injured more than 100 others.