SHIKARPUR, Dec 24: One more person identified as Nazir-Ahmed 28, son of Gulzar Ahmed Mahar, was gunned down by a group of 20 armed Jatoi clansmen when he was sitting at his shop at Sherkot village in the jurisdiction of Lakhi Police station on Sunday night. The cause of the murder is said to be the ongoing dispute between Jatois and Mahars.