Five people were killed and another two wounded in exchange of fire late on Sunday between two rival groups in the North Waziristan Agency, sources said. The sources said that members of two families quarrelled in Darpakhel area, six kilometres south of Miranshah, leading to the deaths that included three from one family. The injured were rushed to Agency Headquarters Hospital at Miranshah where condition of one person is said to be serious. Local tribal elders arrived on the scene and arranged a ceasefire between the families, the sources said.