The Trinchera Celeste is an independent supporters group of O'Higgins, a football club in the Primera División de Chile.

On February 9, 2013; the barra suffered a bus accident in Tomé.

In the matches played in the Estadio El Teniente, the barra are located in the Angostura (North).

On February 9, 2013, after the match between the club and Huachipato, a group of fans traveled in a bus to Tomé, where in the Cuesta Caracol fell into a ravine, causing the death of 16 fans.

The event marked the Chilean football, the city of Rancagua and Tomé, so that a date of mourning decreed in the different leagues of the ANFP, and a days in Rancagua and Tomé.