PakistanRawalpindi: Four killed, three injured in a firing incidentMirza HassanMay 28, 2012May 28, 2012 by Mirza HassanMay 28, 2012May 28, 2012 Rawalpindi: At least four people were killed and three others injured when unidentified men opened fire on a hotel in Rawalpindi, a metropolitan of Pakistan,...