Con diagnóstico de gravedad permanece en la UCI del Hospital Regional de Rancagua, el presidente del Centro de Alumnos del Liceo Industrial de San Fernando, Guillermo Ignacio Horta Farías luego de ser apuñalado anoche en un enfrentamiento entre los estudiantes del establecimiento y jóvenes desconocidos que quebraron vidrios y lanzaron piedra contra el recinto.
Así lo confirmó el Dr. Carlos Ureta director (s) hospital Rancagua, quién explicó que el joven "tuvo una herida cortopunzante en el glúteo y sufrió daño en los vasos sanguíneos muy importantes, con una fuerte hemorragia". Ureta señaló que Guillermo está estable dentro de su gravedad, pero no descartó consecuencia debido a la cantidad de sangre que perdió.
El joven ingresó al recinto hospitalario a las 3 de la madrugada y segçun Ureta, podría tener secuelas como compromiso motor y sensibilidad en espalda, gluteos o piernas, aunque la prioridad es que evolucione satisfactoriamente.
Según la profesora del Liceo María Ferrada, los alumnos le señalaron que Carabineros llegó a los enfrentamientos a eso de las 22 horas, pero se retiro sin detener a ninguna persona. A los minutos después, los manifestantes regresaron y se enfrentaron con los estudiantes provocando las heridas en el joven de 18 años, que cursa 4to medio.
En tanto, los estudiantes mantienen la toma del recinto y desde el establecimiento hicieron un llamado a dadores de sangre para el estudiante.
Liceo María Luisa Bombal of Rancagua. , Chile — Ten students from the  of Rancagua, O'Higgins Region were detained by the local police yesterday. Following their release, the students told the media they were required to remove their clothes at the police station.

The students, seven men and three women, took control of the building of the school early yesterday morning in response to the long delay in re-construction of the ''liceo'', following the earthquake of 2010. At around 08:00 local time (1200 ), Leonardo Fuentes, general secretary of the Municipal Educational Corporation of Rancagua, authorized the police to clear out the students.

Pedro Larraín in October 2011. 
Student leader Jennifer Olivares told ''Diario VI Región'' the police  upon their arrival at the police station, Comisaría de Rancagua, something which Lieutenant Colonel of Carabineros Iván Guajardo did not deny. However, police stated the students will be charged by the public prosecutor with robbing food from the school. , said Olivares. Ignacio Muñoz, former leader of the occupation of the Liceo María Luisa Bombal, told ''El Rancahuaso'' . Education Regional Secretary (''Seremi de Educación'') Pedro Larraín said the government  such actions, .

The Region of Libertador General Bernardo O'Higgins was one of the first in 2012 to resuscitate the previous year's student protests, more specifically at the , which was taken control by the students in late July, and which as of yesterday was still taken. The students of the Liceo Industrial were particularly affected, after the president of the school's  Guillermo Horta Farías was stabbed outside the educational establishment on July 31; his fellow schoolmates subsequently organized a march in his honour in Rancagua, on August 8. As of August 11, eight high schools have been taken control of by students, in response to the government's failure to satisfy the secondary and university students' requests.