PakistanOrakzai: Four killed as tractor plunges into ravineWaheed AfridiOctober 20, 2011October 20, 2011 by Waheed AfridiOctober 20, 2011October 20, 2011 Peshawar: At least four people were killed and two others wounded when a tractor plunged into a ravine in Upper Orakzai Agency of Pakistan’s tribal...