A lawyer has been arrested for allegedly murdering a staff nurse at lok Nayak hospital. The lawyer and the nurse were in an illicit relationship and ever since the lawyer had got married the nurse had started threatening him. The deceased, identified as Nirmala Devi, who worked as a staff nurse at the hospital was found murdered at her Government quarter on the night of September 20 where she lived alone. During the course of investigation, call records of Nirmala Devi, who was a divorcee, revealed that a number was frequently in touch with her. "On further investigation, it was found that the mobile number was being used by one Vishvabandhu, an advocate by profession.