Bhilai, June 13 (ANI): At least six people including two deputy general managers, were killed and over 40 reportedly injured due to a leakage in a methane gas pipeline at a water pump house in the Bhilai steel plant (BSP) in Chhattisgarh. Meanwhile, Steel Minister Narendra Singh Tomar expressed grief over the loss of lives in the accident and ordered a high-level probe. According to BSP officials, critically injured employees have been admitted to plant's hospital at Sector 9 where the condition of at least 11 were reported to be serious.