Serial killer Peter Tobin is back behind bars after being taken to hospital on Thursday night.
Tobin was taken to Edinburgh Royal Infirmary earlier this week after collapsing in Saughton prison.
It is understood the murderer is now back behind bars after less than two days in hospital.
In recent years Tobin, who is thought to have cancer, has been rushed to hospital on numerous occasions.
In 2016 he was found slumped in his cell at HMP Edinburgh and was also admitted for medical treatment four years earlier when he was having symptoms of a stroke.
Sick Tobin is currently serving three life sentences for the murders of Angelika Kluk, Vicky Hamilton and Dinah McNicol.
In 2008, the 75-year-old was caged for the murder of Vicky Hamilton, 15, after she disappeared in Bathgate in 1991.
Her body was found next to that of 18-year-old Dinah McNicol, of Tillingham in Essex, who also disappeared in 1991.
In 2017, both bodies were discovered in the garden of a house in Margate, Kent, that Tobin moved to from Bathgate.
Tobin also raped and murdered Polish student Angelika Kluk, 23, whose body was found under the floorboards of a church in Anderston, Glasgow.
The Scottish Prison Service does not comment on individual cases but confirmed it was their understanding Tobin was back behind bars.
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