According to reports a group fired rockets at the houses of another group in Prialoi area of Khairpur district killing four persons and injuring three others.
The injured were transferred to local hospital for medical attendance.
Police has failed to reach to the scene of the incident. SSP Usman Ghani has said that the police could not reach the place of the incident till the shootout comes to an end.
Sixteen persons including a former union council nazim Shujaa Hussain, have been killed and more than 20 were injured in last three months over a dispute of Rs. 1500, local sources said.