Mandya: A couple celebrating wedding anniversary are among four persons, who were killed in a road accident near Honnenahalli in Kunigal taluk of Tumakuru district yesterday afternoon. The deceased have been identified as Kumara Narasimhaswamy (65), his wife Gayathri (62), Narasimhaswamy’s sister also named Gayathri (55), residents of Swarnasandra in Mandya and car driver Raghu,…