Ramgarh: A criminal associated with the Rahul Dubey gang was arrested under the Basal outpost in Ramgarh district on Sunday night, police said.Ramgarh SP Ajay Kumar said, “Acting on a tip-off about suspicious activity of miscreants near a coal mine, police sealed the area. Miscreants owing allegiance to gangster Rahul Dubey started firing at police. Sunny Singh sustained bullet injury in the leg in retaliatory firing by the police and is under treatment in custody.”Seven miscreants belonging to the gang have been arrested and arms and ammunition seized by the special investigating team, police said.