KABUL, Afghanistan (May 16, 2013)—Two U.S. soldiers and four civilian contractors were among the dead after a suicide car bombing in Afghanistan.
A security firm confirmed the four contractors were Americans.
The blast Thursday in Kabul also killed nine Afghan civilians including two children.
DynCorp International says four of its employees were working with U.S. forces training the Afghan military when the blast occurred.
An Islamic militant group, Hizb-e-Islami, claimed responsibility for the attack and said it had stalked the convoy for weeks.
It was the bloodiest attack in the Afghan capital since March 9, when suicide bombers struck while U.S. Secretary of Defense Chuck Hagel was visiting.