ALAPPUZHA: A property dispute turned deadly as a man killed his elder brother in Chengannur. The dead is Prasanan (47) of Thittamel. The police arrested his brother Prasad (45). The incident happened Sunday early morning at 3 am. Prasad strangled Prasanan, who came home drunk, with a rope around his neck. There were some disputes between the two over a property dispute. Prasanan was a bachelor.