Chennai (Tamil Nadu) [India], July 14 (ANI): An accused person in the murder of Bahujan Samaj Party’s (BSP) Tamil Nadu chief, K Armstrong was killed in an encounter on Saturday night, police said. Narendra Nair, Additional Commissioner of Police Chennai North said, “The encounter took place today on Sunday and an investigation is underway.” The individual identified as Thiruvengadam, a history sheeter who was allegedly involved in the murder of the BSP state chief, was killed in a police encounter near Madhavaram in Chennai. Thiruvengadam is said to have followed Armstrong for several days, ah…