Hyderabad: A woman here killed her 23-day-old baby boy because she wanted a girl and concocted a story about chain snatchers slitting the throat of the infant, police said today. Purnima (30), a mother of two boys, gave birth to a baby boy last month.

Last night, she claimed that unidentified chain snatchers sprayed some liquid on her face after which she fell unconscious and after gaining consciousness she found the baby's throat slit and her gold chain missing.