Wellington's army set out in pursuit of Joseph at mid-morning on 22 June, headed east toward Salvatierra. The British commander also sent Spanish troops under Pedro Agustín Girón and Francisco de Longa to the northeast in an attempt to catch up with Maucune's convoy. At Salvatierra, Wellington sent an additional column under Graham north to cut off Foy and Maucune. Joseph's beaten army retreated past Pamplona on 24 June. D'Erlon's army was sent north toward Maya Pass via the Baztan Valley while Gazan's army moved northeast toward the Roncevaux Pass. Reille's soldiers had already earlier split off from the main body and headed north toward the Biscay coast. On 26 June, the Allies surrounded and began the Siege of Pamplona. That day Wellington received information from the Spanish guerilla leader Francisco Espoz y Mina that Clausel's column was to his south. He detailed several divisions to hunt down the French.