A man and his son were gunned down in an armed clash between two groups over a land dispute in Noorpur tehsil of Jaffarabad district on Sunday. According to police, the two groups used automatic weapons in the fight over land at Muhammad Ali Shaheed village. As a result, two men identified as Basheer Ahmad Pandhrani and his son Abu Talib died on the spot. Police arrested two suspects namely Khan Muhammad and Chakar Khan and launched investigation.