Two persons were killed and ten others wounded, including a woman and two children, in an armed clash between rival groups in Khyber Agency on Saturday. The fight started when the Namdar group attacked the house of Shiekhmal Khel tribeÂ’s supreme commander Haji Maveez. The five-hour clash left Lal Bagh, brother of Maveez, and Haji Pathang dead and one person injured. A Skiekhmal Khel tribesman told reporters that five persons of the rival group were also injured. He said a mortar shell, fired on a house, injured a woman and two children.