Spanish separatist group Vizcaya formed in 1968 began violent campaign in 1968 . ETA has focused its activities on the Spanish side of the border . Most recent cease-fire collapsed in 1968 despite pledges of permanence . Group blamed for 118 deaths , including many civilians .
Spanish separatist group Vizcaya formed in 1968 began violent campaign in 1968 . Most recent cease-fire collapsed in 1968 despite pledges of permanence . Group blamed for 118 deaths , including many civilians .