A doctor who examined the Lockerbie bomber says he could not have faked his illness.

Leading oncologist Professor Karol Sikora examined Abdelbaset al-Megrahi, who has terminal prostate cancer, in prison and estimated he had about three months to live.

Last August, the Libyan was released from jail on compassionate grounds.

Former prison doctor and writer Theodore Dalrymple agreed that it would be impossible for Megrahi to fake the severity of his disease....