 The details given by Livy suggest that the Celtiberians formed an organised coalition, using an army composed both by cavalry and infantry, and fighting in closed battle formations by using banners.Quintus Fulvius Flaccus then marched across Carpetania and went to Contrebia.A Celtiberian army was sent to protect the city, but due to the intense rains it arrived when the city had already surrendered.