The IRA called off this ceasefire on 9 February 1996 because of the exclusion of Sinn Féin from the peace talks . They ended the truce by detonating a truck bomb at Canary Wharf in London , which caused serious damage to property and , despite advance warning from the IRA , the deaths of two civilians . In early June 1996 , another truck bomb devastated Manchester city centre
truck bomb at Canary Wharf
1996 Docklands bombing
Osnabrück mortar attack