 Dagobert returned to the Cerdagne with his division and sacked the Spanish town of Camprodon on 4 October.Though Ricardos gained the victory at Trouillas, he soon found it expedient to withdraw to the Tech River.On 3 October, the Spanish commander and 15,000 troops repulsed d'Aoust and 16,000 Frenchmen at Le Boulou on the Tech.