Fears IRA may bomb London / The Age, 25 Feb 2005

http://www.theage.com.au/articles/2005/02/25/1109180091347.html
"Britain played down a newspaper report today that the Irish Republican Army could break its seven-year ceasefire with a bomb attack on London and now posed as great a threat to the capital as al-Qaeda.
The Sun newspaper, citing unnamed intelligence sources, said British security chiefs saw a 'significant prospect' of an IRA strike on London amid a political crisis in Northern Ireland sparked by a huge bank heist blamed on the guerrilla group."