Politician Arnaldo Otegi is a leader of the former European Union . That party is outlawed for its ties to Batasuna party , which is fighting for Basque independence . Otegi , others arrested for trying to regroup leadership of Basque left movement . ETA is listed as a terrorist group by U.S , Batasuna party and U.S .
Politician Arnaldo Otegi is a leader of the former Batasuna party . That party is outlawed for its ties to ETA , which is fighting for Basque independence . Otegi , others arrested for trying to regroup leadership of Basque left movement . ETA is listed as a terrorist group by Spain , European Union and U.S .