WAZIRABAD (- An honour killing incident took place in village Wazirke Chattha where two brothers and their cousin gunned down their half mother and sister. After Isha Prayer, Afzal, Mustafa, Murtaza and Anwar killed Farzana and Nida, 12, and managed to escape. After post mortem, Ali Pur Chattha police handed over the bodies to the heirs.