. "eckpoint in Khost, killing eight civilians, mostly children, and a policeman, CBS reported.The Taliban claimed responsibility for the morning attack at the ministry, saying it was designed to send a signal to the US defense chief.This attack was a message to him, Taliban spokesman Zabiullah Mujahid said in an email to reporters..More from GlobalPost: Hagel makes surprise visit to KabulPentagon s" . . .