The Solicitor General in Scotland says that prosecutors involved in the Lockerbie disaster are preparing for "the next step" in their attempt to bring more people to justice.
Lesley Thomson was speaking at a memorial for the victims at Syracuse University in the United States - It lost 35 of its students in the 1988 bombing of Pan AM Flight 103.
Watch the lunchtime report from Matthew Taylor below.
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Early enquiries suggest the men may have taken the drug Blue Valium. Two of them remain in hospital with breathing problems.
More than 8,000 people are expected to attend over the three day event, which starts at 7pm tonight.
The local MP and leader of the Liberal Democrats says it was a "joyful" day for locals and former locals alike.