A mother who stabbed her three young children to death is being moved out of a prison following a string of alleged attacks on her.
Theresa Riggi, 47, was jailed for 16 years in April for killing her eight-year-old twins Austin and Luke and her five-year-old daughter Cecilia at their Edinburgh home on August 4 last year.
Their bloodstained bodies were discovered lying side by side in the Slateford Road property following a gas explosion at the building, each with eight stab wounds.
Riggi was initially charged with murder but admitted three counts of the lesser charge of culpable homicide on the grounds of diminished responsibility.
A court heard that a report into Riggi's mental state identified narcissistic, paranoid and hysterical personality disorders.
It is understood she is being moved from the all-female Cornton Vale Prison, near Stirling, to a psychiatric unit.
US-born Riggi is said to have been injured at the women's prison when she was allegedly thrown down a flight of stairs on October 22. A fellow prisoner was arrested and charged in connection with the incident.
Central Scotland Police were also investigating a separate attack on Riggi, alleged to have happened on November 19.
A spokesman for the Scottish Prison Service said they do not comment on individual prisoners.
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