18 September 1994,
The Civil Guard exploded Nafarroa Oinez de Bera. From noon onwards the patrols entered the route and placed the Spanish flag on the facade for that day. In the afternoon, young people threw bottles at the barracks, which indiscriminately attacked people with rubber balls and tear gas. There were 50 wounded and the police frustrated the festive atmosphere that prevailed until then.
Source:
Ion Orzaiz, Trikornio blackened the festival (Berria, 18 September 2019).