NEW : The Pakistani foreign ministry condemns the attack . The strike targets a compound of NATO , which attacks the Haqqani Network forces . Militants attack a paramilitary checkpoint , killing 24 constabulary members . Pakistan drone strikes have drawn fierce opposition in U.S. due to civilian casualties .
NEW : The Pakistani foreign ministry condemns the attack . The strike targets a compound of the Haqqani Network , which attacks NATO forces . Militants attack a paramilitary checkpoint , killing six constabulary members . U.S. drone strikes have drawn fierce opposition in Pakistan due to civilian casualties .