Four people including two women were killed and four were injured in clash between two groups of Bangwar tribe near Kahi Badani area of Kashmore, reported 24NewsHD TV channel on Wednesday.
According to sources, both groups started firing at each other with modern weapons.
The bodies of all the deceased still were at the scene and tensions between the two groups continued and the area has become a battlefield.
A heavy contingent of police rushed to the scene on receiving information.
Police said the incident took place over a minor matter and further investigation is underway.
Reporter: Zubair Ahmad