Six people were killed and 12 were left injured in a violent clash in Shikarpur District on Thursday in what police described was a dispute arising over a Karo Kari incident. The clash took place among two groups of the Jatoi clan in the limits of the Rustam Police Station. As tensions flared, the two groups traded fire, leaving six people dead and a dozen injured. The gunfire continued for a long time, causing fear and panic in the area. After a while, police intervened to put an end to the violence. He said the injured have been shifted to the Lakhi Ghulam Shah, Khanpur and Shikarpur hospitals for treatment.