The Spanish police thwart an attempt by ETA to detonate 50 kg of explosives at 3:55 p.m. inside Madrid's busy Chamartín Station.

ETA, an acronym for Euskadi Ta Askatasuna, was an armed Basque nationalist and separatist organization active in Spain and France between 1959 and 2018. It was founded in 1959, during Francoist Spain, by a group of Basque nationalist students seeking to promote Basque identity and independence.…