Philadelphia police are the hunt for a man accused of shooting his own brother in the back during an argument Monday evening. 

Police were called to the 5100 block of Kershaw Street at 6:15 p.m. where they found Jacquell Roundtree with gunshot wounds to the back and right side. He died hours later at Presbyterian Hospital. 

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Investigators believe the brothers were arguing when Dominic Roundtree grabbed a .22 caliber rifle and shot his brother.

Roundtree, 29, is wanted by police.

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Anyone with information about his whereabouts is asked to call 911, or 215-686-8477 (TIPS).