At least five people, including four members of the same family, have been killed in a clash between two rival families in Gugawala area, under the jurisdiction of the Badabher Police Station here on Wednesday, police sources said. While working in his fields, Gul Sher from the Kajar family was gunned down on Wednesday by members of the Malian family. In reaction to the murder, Kajar family members attacked members of the Malian family, killing three brothers Awal, Libas and Firdous Khan and their nephew Tahir. The brothers are said to be in their twenties. The culprits managed to escape from the scene. Police have registered cases against members of both the families. A property feud has been running between the two families for two decades and several people have been killed during similar encounters.