In yet another incident wherein an individual afflicted with a mental disorder turned violent, a 33-year-old mentally disturbed woman killed her 82-year-old father by hitting him with a stick after he had requested her to help him walk to the toilet.

Tragedy: Police said the Nairs are residents of Dombivli Nagarik Co-operative society in Dombivli (West), adding that the deceased person’s wife was not at home when the incident took place.