Teachers of Royal Cambridge School offering dua for martyrs in connection with commemoration of 6th anniversary of martyrs of terrorist attack on Army Public School Peshawar at Royal Cambridge School APP11-161220 HYDERABAD: December 16 Teachers of Royal Cambridge School offering dua for martyrs in connection with commemoration of 6th anniversary of martyrs of terrorist attack on Army Public School Peshawar at Royal Cambridge School. APP photo by Farhan Khan APP11-161220