Afghans push parts of a damaged vehicle off a hill after a roadside explosion on the outskirts of Laghman province, east of Kabul, Afghanistan, on Sunday, Aug. 12, 2012. A provincial spokesman said a roadside bomb killed a district chief in eastern Afghanistan and three of his bodyguards. (AP Photo/Rahmat Gul)

Photo by: Rahmat Gul

Afghans push parts of a damaged vehicle off a hill after a roadside explosion on the outskirts of Laghman province, east of Kabul, Afghanistan, on Sunday, Aug. 12, 2012. A provincial spokesman said a roadside bomb killed a district chief in eastern Afghanistan and three of his bodyguards. (AP Photo/Rahmat Gul)