Israelis, including a former Prime Minister, gathered to celebrate the bombing of the King David Hotel in Jeruslalem. 92 died after a bomb placed in the basement was detonated by Irgun.
http://www.timesonline.co.uk/article/0,,3-2277717,00.html
http://www.timesonline.co.uk/article/0,,3-2277717,00.html