Exactly a week after Infosys employee 24-year-old Swathi was hacked to death at the Nungambakkam railway station, Chennai police have managed to nab the killer on Friday night. The police have arrested a man named P Ramkumar, who according to them had killed Swathi on June 24. Ramkumar, a 22-year-old engineering graduate from Meenakshipuram in Tirunelveli. He tried to commit suicide and slit his throat with a sharp object when the police surrounded him.

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