Thiruvengadam, one of the accused in the murder of Bahujan Samaj Party (BSP) leader K. Armstrong, was killed in a police encounter in Tamil Nadu. The incident occurred near Madhavaram on Saturday night, July 14. Thiruvengadam, a history-sheeter, was taken to a location in north Chennai as part of the investigation and was shot after he allegedly attacked the police. This encounter is part of the ongoing investigation into the murder case of K. Armstrong, who was the BSP Tamil Nadu chief. The encounter took place in Tiruvallur.