In a shocking incident, a rifleman shot an army officer shot dead on Tuesday at Pallavaram barrack in Chennai and then later killed himself for allegedly being punished for "lethargic attitude in duty", police informed. A senior official stated that the incident took place at around 3 am on Tuesday. According to news agency, PTI, the rifleman committed suicide by shooting himself, he added."We suspect that the rifleman was emotionally worked up after the Havildar punished him for his lethargic attitude in duty," the officer told PTI. Defense sources stated the matter is under investigation. 

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