NOWSHERA: A man gunned down his own father, a brother and two children over a dispute of property sale in the Akbar Pura area Nowshera on Monday. Sources said that a suspect involved in different crimes had demanded his parents to sell the property for quashment of cases registered against him but his parents refused to do so. This infuriated him and he opened indiscriminate firing on them, as a result his father, brother, nephew and niece died on the spot. On the other hand, police took the suspect into its custody along with weapons. According to police, several cases including police encounter in Peshawar were registered against him and he had demanded money from his parents so that he could get the cases registered against him quashed.