Baby burned to death on bonfire in Chile after cult leader decided she was the antichrist Three-day-old infant placed on board with her mouth taped and thrown into the flames The mother, 26, had allegedly approved of the sacrifice of her child Police have arrested four members sect which comprised of 12 'professional' people Four people have been arrested after a baby was thrown on a bonfire and burned to death in Chile A three-day-old baby was thrown on a bonfire and burned to death in an horrific ritual because a cult leader had decided she was the antichrist and that the end of the world was near. Police in Chile have arrested four people accused of taking part in the ritual in which the baby was placed on a board with her mouth taped before being thrown into the flames. The baby was taken to a hill in the town of Colliguay near the Chilean port of Valparaiso on Nov. 21 where the ritual took place. The baby's mother, 25-year-old Natalia Guerra, had allegedly approved the sacrifice. Miguel Ampuero, of the Police investigative Unit, Chile's equivalent of the FBI, said: 'The baby was naked. They strapped tape around her mouth to keep her from screaming. Then they placed her on a board. After calling on the spirits they threw her on the bonfire alive. Authorities said the 12-member sect was formed in 2005 and was led by Ramon Gustavo Castillo Gaete, 36, who remains at large. Wanted: Chilean authorities said the 12-member sect was formed in 2005 and was led by Ramon Gustavo Castillo Gaete, 36, who remains at large 'Everyone in this sect was a professional,' Ampuero said. We have someone who was a veterinarian and who worked as a flight attendant, we have a filmmaker, a draftsman. Everyone has a university degree. Police said Castillo Gaete, the ringleader, was last seen traveling to Peru to buy ayahuasca, a hallucinogenic brew plant that he used to control the members of the rite.