The Libyan man convicted of the Lockerbie bombing is likely to be freed on compassionate grounds next week, the BBC understands.
Abdelbaset Ali al-Megrahi, who has terminal prostate cancer, is serving life for murdering 270 people when Pan Am flight 103 exploded in 1988.
It is believed UK and Libyan officials have held talks this week over Megrahi's appeal against his conviction.
The speed of his transfer is thought to be influenced by consensus among all parties that Megrahi be back on Libyan soil in time for Ramadan next week.
News of his release came after Scottish justice secretary Kenny MacAskill visited Megrahi in prison, amid speculation he might be moved to Libya.
A prisoner transfer request was made by Libya to the UK government last May, less than a week after a treaty allowing prisoners to be transferred between the two countries was ratified.
But a spokesman for Scottish First Minister Alex Salmond said: "No decision has been taken, either on the application for compassionate release or the application under the prisoner transfer agreement and so it is entirely speculation."
A Scottish government spokesman added that a decision was expected from Mr MacAskill this month.
Mr MacAskill said last week he would miss the 90-day deadline, which expired on 3 August, because he was waiting for more information.
No transfer can take place if criminal proceedings are active, meaning Megrahi would have to drop his latest appeal against his conviction in order to be sent home.
He was ordered to remain in prison for a minimum of 27 years, having been found guilty of the bombing - which is still the UK's worst terrorist atrocity.
Megrahi's legal team had also made a request for him to released from prison on compassionate grounds.
An earlier request, made in October 2008, was rejected by Appeal Court judges after they heard medical evidence that with adequate palliative care, Megrahi could live for several years.
The court heard that such requests are normally only granted where a prisoner has fewer than three months to live.
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http://news.bbc.co.uk/2/hi/uk_news/scotland/8198603.stm
