D'Aoust tried and failed to oust the Spanish from Le Boulou on 3 October .
Subsequently , the Spanish general fell back to the valley of the Tech River where he repulsed a series of French attempts to drive him back into Spain .
D'Aoust tried and failed to oust the Spain from Le Boulou on 3 October .
Subsequently , the Spanish general fell back to the valley of the Tech River where he repulsed a series of French attempts to drive him back into Spain .