04 June 1995,
A group of antimilitarists entered the Loiola headquarters in San Sebastian while performing a ceremony. Nine injunctions with search and arrest warrant embarked on the Urumea River to boycott the event. Two of them were arrested by the Ertzaintza.
Source:
Sabino Ormazabal, 500 nonviolent actions. Another way to tell the story (Bidea target group).