José Arnaldo Otegi is a leader of the former Batasuna party . That party is outlawed for its links to ETA , which is fighting for Basque independence . Otegi , others arrested for trying to regroup members of the Basque movement . A senior government source who insisted on anonymity said last month that officials had been expecting Otegi to try to step forward soon as an interlocutor promising to help end ETA 's violence and negotiate a deal with the government . ETA is listed as a terrorist group by Spain , European Union and NATO .
José Arnaldo Otegi is a leader of the former Batasuna party . That party is outlawed for its links to ETA , which is fighting for Basque independence . Otegi , others arrested for trying to regroup members of the Basque movement . ETA is listed as a terrorist group by Spain , European Union and NATO .