 The fleet at once entered the harbour and landed troops on a beach about three miles from the town led by the grenadiers.On 1 October, the army occupied a strong position under the walls of the San Sebastián fort opposite Fort Castro situated on an eminence commanding the town and harbour.In the evening Brigadier Philip Honeywood with 800 soldiers launched an assault on San Sebastián and took the Spanish defenders by surprise; they spiked their guns and withdrew to the citadel.