ARIFWALA : At least two people were killed and four others injured in a clash between two groups over a property dispute here on Friday. Police said that armed men of two groups, belonging to village Blarra Arjinka in Arifwala who were in dispute over ownership of a piece of a land traded fire. In crossfire two people died on the spot while four others including a woman sustained wounds. The bodies and injured were shifted to hospital for medico-legal formalities. Police have registered a case against armed men of both groups and started the investigation.