PakistanAfghan militants ambush army convoy in Upper Dir, 21 killedNasir KhanJune 24, 2012June 25, 2012 by Nasir KhanJune 24, 2012June 25, 2012 Peshawar: Afghan militants on Sunday attacked a military convoy in Upper Dir, Pakistan’s area bordering Afghanistan, resulting in the killing of at least 21 people...