Former Sinn Fein leader Gerry Adams claimed there would have been "very few tears" shed in parts of Britain if Margaret Thatcher was killed in a 1984 IRA bomb.
The Tory PM survived the Brighton attack, which happened during the Conservative Party conference, claiming five lives and leaving 31 injured.
MP Sir Anthony Berry died, along with area chairman Eric Taylor, and the wives of three MPs - Lady Jeanne Shattock, Lady Muriel Maclean and Roberta Wakeham.