The group are currently in America in a campaign to promote victims solidarity and raise awareness about ground-breaking legal action against Libya.

FAIR are blaming republicans in Northern Ireland for the threats.

FAIR's director, Willie Frazer has received a number of calls during the trip.

One such call was received during a reconciliation conference in New York and was brought to the attention of the FBI.

FAIR maintain a New York Judge was so alaemed by the nature of the message that he has demanded immediate action.

The victims group are currently on their way to Washington to meet a number of Congressmen and Senators in order to maintain pressure on the American administration to ensure they force the Libyans to settle outstanding cases.

FAIR accuses Libya of sponsoring IRA violence during the Troubles.

A spokesperson for FAIR said: "It is situations like these, where death threats are involved, that highlights the necessity and makes us become even more determined to lobby and advocate for the rights of victims both in Northern Ireland and on an international level."