The truth behind the Lockerbie bombing may never be known, according to a former British ambassador to Libya.
Former British ambassador Oliver Miles said he believes nobody could be brought to justice for the incident - but said he suspected former Libyan dictator Muammar Gaddafi was behind the bombing.
Mr Miles told the BBC:
It was such a shocking and enormous atrocity that clearly nobody was going to rest until the truth was found.
I don't think the truth possibly ever will be found so perhaps we will be talking about this for years to come.
I don't think anybody thinks he was the man behind the bombing, I think the question is whether he was one of the operatives who actually did what had to be done if it was a Libyan bombing - he's supposed to be responsible for getting the bomb on to the plane.
But I don't think anyone thinks he was the mastermind, so to speak - if there was a Libyan mastermind, it was Gaddafi.
While Gaddafi was still in power I never felt there was any real prospect of co-operation from the Libyan side. That's changed. We now have a Libyan regime that has no interest in concealing Gaddafi's crimes - rather the contrary.
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