The Nationalist rebels advanced further west. They were stopped by the Republicans at Buruntza for a few days, but continued their push until the outer fringes of Biscay (Intxorta). There, the resistance of the Basque pro-republican forces, backed up with 8,000 rifles smuggled in extremis by Lezo Urreiztieta to Santander on 24 September, and the exhaustion of the Nationalists resulted in an end of the offensive until the War in the North began.