PLEASE NOTE: CONTAINS MATERIAL THAT WAS ORIGINALLY 4:3<br/> <br />Casualties from an accident at a steel plant in the Indian state of Chhattishargh arrive at hospital.<br/> <br />They were affected by a gas leak following an explosion at the plant in Bhilai.<br/> <br />At least six are known to have died.<br/> <br />At least 23 others were taken ill.<br/> <br />The cause of the explosion was not immediately known.<br/> <br />The plant where it happened is a unit of the state-run Steel Authority of India, the country's sole producer of rails and heavy steel plates.
