Baghdad - Iraqi police have discovered an ambulance packed with 450kg of explosives and United States officials on Tuesday praised the find as an indication of the potential capabilities of the newly created force. On Monday evening, officers noticed the ambulance driving through a crowded district in the capital, became suspicious and called for the driver to stop, said Major Hakim Razak Kadim, a district commander of the Iraqi police. The ambulance raced away, but crashed into another vehicle and its occupants fled on foot, Kadim said. The vehicle's occupants fled before they could be arrested, Kadim said, adding that...