Gen. John F. Campbell

Gen. John F. Campbell, the commander of U.S. and allied forces in Afghanistan, told lawmakers on Tuesday that the American air attack that killed at least 22 people at a hospital in northern Afghanistan were not intended to hit medical staff or patients.

Gen. John F. Campbell, the commander of U.S. and allied forces in Afghanistan, told lawmakers on Tuesday that the American air attack that killed at least 22 people at a hospital in northern Afghanistan were not intended to hit medical staff or patients.