At least eight persons, including police personnel, were injured after an ongoing protest against a coal mining project turned violent in Tamnar area of Chhattisgarh's Raigarh district on Saturday, officials said. A woman police officer also sustained injuries after she was allegedly assaulted by a group of women, police said. Tension prevailed in Tamnar area after protesters indulged in stone-pelting and set ablaze three vehicles, including a bus and a car, and vandalised a police vehicle. Hundreds of residents from 14 villages in the area have been staging a sit-in protest for the past 15 days at a square in Daurabhatha village, opposing the coal block allotted to Jindal Steel in the Gare Pelma Sector-I in the Tamnar area. The protesters are also demanding cancellation of the proposed mining project, alleging that the public hearing conducted for its clearance was against the prescribed norms. Villagers claimed the situation turned tense after police attempted to remove ...