A New Jersey woman is accused of stabbing her identical twin sister to death.

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Amanda Ramirez, 27, has been charged with aggravated manslaughter in the stabbing death of her twin sister, Anna, according to a statement from the Camden County Prosecutor's Office.

Camden County police responded Saturday morning to a report of an unconscious woman at a Camden apartment, prosecutors said.

Officers found Anna Ramirez lying on the ground, bleeding. She was taken to a hospital, where she was pronounced dead.

Amanda Ramirez was arrested the same day. Authorities haven’t released a motive for the stabbing.