The number of Iraqis fleeing their homes has soared since the American troop increase began in February, according to data from two humanitarian groups, accelerating the partition of the country into sectarian enclaves.
Despite some evidence that the troop buildup has improved security in certain areas, sectarian violence continues and American-led operations have brought new fighting, driving fearful Iraqis from their homes at much higher rates than before the tens of thousands of additional troops arrived, the studies show.
Get top stories and blog posts emailed to me each day. Newsletters may offer personalized content or advertisements. Learn more