Afghan President Hamid Karzai addresses the Loya Jirga on Sunday. Karzai expressed anger at an airstrike Thursday that killed a child, saying it could imperil a security agreement with the U.S. The U.S.-led international force apologized on Friday for the killing. Massoud Hossaini/AFP/Getty Images hide caption

itoggle caption Massoud Hossaini/AFP/Getty Images