A wife hanged her husband to death and surrendered in the police station. The incident occurred at Mulakandu village of Bheemili mandal in Visakhapatnam. One Dhanalakshmi hanged her husband, Koyya Appalaswamy to death and surrendered herself to the police. She is at present in police custody. Police who inspected the site, said that it might have occurred due to family disputes. There is also a financial angle to the incident, it is learnt. Police registered the case and took up investigation.