UK Reuters:
U.S. civilian officials have been barred from road travel in Iraq outside Baghdad's heavily fortified Green Zone because of possible attacks after a deadly shooting involving American security firm Blackwater....
....Iraq has said it would review the status of all security firms after what it called a "flagrant assault" by Blackwater contractors in which 11 people were killed while the firm was escorting an embassy convoy through Baghdad on Sunday.....
.....In a statement seen by Reuters and sent to Americans in Iraq, the U.S. embassy in Baghdad said the temporary ban on road travel was imposed to reassess security procedures.....
While it is unsafe for American diplomats to travel in Iraq, our Marines and soldiers are out there risking their lives every single day.