Head coach Andy Farrell says Ireland had a "ruthless edge" in Saturday's 43-21 win over Scotland, which secured a fourth Triple Crown in five years.
Will Patching delivered the decisive blow as Coleraine edged the Reds while Ballymena and Glenavon also secured three points.
The FBI said the suspect had large quantities of fireworks and petrol in his vehicle when it caught fire after ramming a synagogue on Thursday.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results