Four choke to death inside septic tank in Chhattisgarh 
Four persons on Tuesday reportedly suffocated to death inside a septic tank at a house in Chhattisgarh's Surajpur district. The house-owner, his son and two labourers had climbed into the tank to remove wooden planks but none of them came out. The four were pulled out later and were declared brought dead when taken to a hospital. 