On the morning of October 8, they encircled the area with two battalions numbering 1,800 soldiers and advanced into the ravine triggering a battle where Guevara was wounded and taken prisoner while leading a detachment with Simeón Cuba Sarabia.
October 9, Bolivian President René Barrientos ordered that Guevara be killed. The order was relayed to the unit holding Guevara by Félix Rodríguez reportedly despite the United States government's desire that Guevara be taken to Panama for further interrogation.