Edited sentence: At some time subsequently (most likely dawn of the next day) both sides formed lines of battle facing each other in front of their camps.Both sides withdrew to their camps.On the left the now leaderless Romans were driven by the king's remaining son or sons (Titus if Sextus was assassinated at Gabii; see under Lucretia, otherwise both of them) back to the last line of defense, the camp, where the triarii, the most experienced veterans, had been stationed.On the right Valerius broke the Veientan line and chased them through their camp.The Roman consuls each took a flank: Valerius on the right facing the Veientes; Brutus on the left facing the sons of the former king.The armies charged.The battle of the Naevian meadow began with Arruns, the king's son, cantering along the Roman lines in the space between the armies insulting Brutus and challenging him to a single combat.The formation was the same: heavy infantry in the center, cavalry on the flanks.The infuriated Brutus galloped down upon him, there was an intense but short assault and both men fell from their hordes mortally wounded.The setting sun brought an end to the battle.These latter held the line.To prevemt the Etruscans frpm crossing, the Romans sent cavalry over the bridge to skirmish with the Etruscan cavalry while the infantry crossed and camped in the Naevian meadow (name not otherwise known) straddling the road