Complex sentence: The regiments were quickly reinforced and the majority of the prisoners were marched into holding camps near Lejjun, while the town was garrisoned by the 3rd Light Horse Brigade until being ordered to advance and capture Tiberias on 26 September, 1918 on their way to Damascus.
Split into simpler sentences: The regiments were quickly reinforced, and the majority of the prisoners were then marched into holding camps near Lejjun. The town was garrisoned by the 3rd Light Horse Brigade until being ordered to advance and capture Tiberias on 26 September 1918, on their way to Damascus.