Afghan police secure the site of a suicide bombing in Khost, south of Kabul, Afghanistan, Monday, Oct. 1, 2012. The suicide bomber was driving a motorcycle packed with explosives and rammed it into a patrol of Afghan and international forces, killing over a dozen people, including three NATO service members and their translator, official said. (AP Photo/Nashanuddin Khan)

Photo by: Nashanuddin Khan

Afghan police secure the site of a suicide bombing in Khost, south of Kabul, Afghanistan, Monday, Oct. 1, 2012. The suicide bomber was driving a motorcycle packed with explosives and rammed it into a patrol of Afghan and international forces, killing over a dozen people, including three NATO service members and their translator, official said. (AP Photo/Nashanuddin Khan)