A 32-year-old man was killed and two others injured seriously during a violent clash in Kahna on Tuesday.  Police said that Ghulam Rasool group was constructing a boundary wall at a plot when  Maratab group asked them to stop the construction. Then both the groups exchanged gunfire over the property dispute. As a result, Maratab died on the spot while Moazzam and Amir sustained bullet injuries. Both the injured were shifted to a hospital. The police were investigating the killing.