Rourkela: A 25-year-old man was shot dead and three others were injured in a clash between two rival groups over collection of money from vehicles transporting fly ash at Darlipali in Sundargarh district on Thursday evening.The deceased was identified as Sunil Neti alias Silu, a resident of Darlipali. He sustained bullet wounds to his head and chest and was rushed to Govt Medical College and Hospital, Sundargarh, where he died during treatment. The incident triggered tension in the area, prompting police to deploy additional forces.According to sources, there has been a long-standing dispute between two groups over collection of money from vehicles transporting fly ash in the Darlipali area under Bhasma police station limits. On Thursday, an argument broke out between the two groups which soon escalated into a clash, during which sticks and clubs were allegedly used.In the melee, a man allegedly opened fire at Neti. Two bullets reportedly struck him, one in the head and another in the chest. Three others were also injured in the clash, sources said.“Our investigation is underway and efforts are on to identify the accused,” said Nirmal Mohapatra, SDPO, Sadar, Sundargarh.