 Complete the following phrase:  He was preparing for a 7th term in the Congo when the First World War broke out and Royaux, despite being too old to be called up, volunteered for service as a Captain in the Reserve. So at 48, he was appointed as commander of the 1ere compagnie of the 10e régiment de ligne. Present at the Siege of Namur 1914, Royaux distinguished himself in combat and was mentioned in dispatches. After the fall of Namur, he was part of the retreat to Antwerp and took part in the action which halted the German advance at the 