Pakistan PunjabFiring on student bus in Dera Ghazi Khan, 4 injuredTNT DeskDecember 11, 2014December 11, 2014 by TNT DeskDecember 11, 2014December 11, 2014 DERA GHAZI KHAN: At least four students sustained injuries followed by firing on a student vehicle in Dera Ghazi Khan district of Punjab on Thursday....