A 13-year-old girl has been charged with the tragic stabbing death of her 7-year-old sister, reportedly stemming from a dispute over flushing the toilet. Authorities revealed that the older sibling allegedly attacked her sister, inflicting ten stab wounds. Witnesses described the suspect as appearing remarkably calm and displaying little to no emotion following the incident, which has left the community in shock. Police are continuing their investigation into the circumstances surrounding this heartbreaking event.