The North armed team exploded the helicopter of rich industrial Maulen Charles Etchandy with a bomb. At his spartine factory in the capital of Zuberoa it was in conflict, as the millionaire Etchandy intended to close the factory and lay off workers. The helicopter was next to the spartine factory during the explosion. IK was a nationalist and socialist armed group of Iparralde born in 1973. His last armed action was in 2000.