PakistanAnother US drone strike kills 4 in North WaziristanNasir KhanAugust 19, 2012August 20, 2012 by Nasir KhanAugust 19, 2012August 20, 2012 Miranshah: At least four people were killed in a third US drone strike in 24 hours in North Waziristan agency of Pakistan north western tribal...