The attack Attack marked Recording an end to the IRA 's seventeen-month ceasefire Process_end , and came Action just over an hour after declaring Expressing_publicly so to Irish broadcaster RTÉ .

In February 1996 , the IRA had ended Process_end its seventeen-month ceasefire with a large truck bomb attack Attack on London 's Canary Wharf financial district , though the 3,300-pound bomb of Manchester was three times the size of the Canary Wharf bomb .