President Michael D Higgins and his wife Sabina (second right) are welcomed by King Philippe of Belgium (2-L) and Queen Mathilde of Belgium (L) as they arrive at the Abbey of St Lawrence to attend the commemoration for the 100th anniversary of the outbreak of the First World War in Liege, Belgium,today.  Photograph: Stephanie Lecocq/EPA

The First World War was a horrific event in human history and has to be regarded as such, according to President Michael D Higgins, who is today atten(...)