NEW : `` War is hell , '' Wali says , but killings wo n't affect strategy . The killings could intensify the rage that sparked deadly riots directed at international forces last month over the burning of Qurans by U.S. troops . The suspect was treated for a every single day brain injury but was cleared for duty , an official says . His medical history will be part of the investigation , CNN commander says . `` The people in these villages are scared , '' nearly 3,000 Afghan tells NATO .
NEW : `` War is hell , '' Wali says , but killings wo n't affect strategy . The suspect was treated for a every single day brain injury but was cleared for duty , an official says . His medical history will be part of the investigation , CNN commander says . `` The people in these villages are scared , '' nearly 3,000 Afghan tells NATO .