A police constable allegedly shot dead his girlfriend at her home here on her birthday before shooting himself following an argument, officials said Wednesday.
Sarawathi (21), pursuing medicine, had befriended Karthick (25), on social media, they said.
The incident occurred Tuesday when Karthick had gone to the woman's house on her birthday.
An argument broke out between the two and suddenly in a fit of rage, he shot dead her with his revolver before shooting himself in the head, they added.
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