File photo shows American ISAF soliders patrolling a village in Khost district. A suicide attack on a joint NATO-Afghan foot patrol on Monday killed at least 13 people, including three NATO troops and... more 

File photo shows American ISAF soliders patrolling a village in Khost district. A suicide attack on a joint NATO-Afghan foot patrol on Monday killed at least 13 people, including three NATO troops and four Afghan police, ISAF and Afghan officials said less