Kalaburagi: A 31-year-old worker was killed and two others injured after a machine collapsed on them while they were working at a cement factory in Chincholi taluk on Monday.The deceased has been... The injured workers are Mahipal Reddy (22) and Manu Kumar (32), both also from Bihar.The accident occurred when the three workers were engaged in their duties at the factory and a machine suddenly collapsed on them.