Hyderabad: Hayathnagar police arrested a 25-year-old woman along with her 16-year-old relative for killing her husband. Police said Pravallika confessed to killing M Pullaiah as she had an affair with the teenager and wanted her husband out of the way. Pullaiah, an employee at Kodad Agricultural Marketing Committee, was murdered at his rented house in LB Nagar on September 23 night. Police arrested the two accused at Abdullapurmet on Saturday while they were carrying the body on a bike for disposal.