NATO contractors killed by Kabul car bomb identified as U.S. citizens
NATO contractors killed by Kabul car bomb identified as U.S. citizens
KABUL (Reuters) - Three U.S. contractors were among those killed by a Kabul bomb that targeted their NATO convoy, the U.S.-led coalition said, making the attack that killed 12 people one of the most lethal for U.S. citizens in Afghanistan in recent years.