MADRID, Spain (CNN) -- Two ETA members arrested over the weekend were responsible for a fatal bombing at a Madrid airport in 2006, an attack which effectively ended the group's cease-fire, Spain's interior minister said Wednesday.

The attack at Madrid's Barajas airport in December 2006 killed two men and signalled the end of the ETA ceasefire.
Police arrested Igor Portu and Martin Sarasola Sunday in the northern Basque region and later discovered their connection to the airport attack, Interior Minister Alfredo Perez Rubalcaba said.
The December 30, 2006 bombing destroyed a parking garage at Madrid's Barajas airport and killed two men, both Ecuadoran immigrants, who were sleeping in cars. It also caused heavy damage to the airport's new glass-covered passenger terminal.
The blast, preceded by a warning call, came during a unilateral cease-fire which ETA had announced the previous March, promising it would be permanent.
Spain's government considered the cease-fire over after the airport bombing and halted all peace contacts.
Rubalcaba said two other people connected to the airport attack are on the run. He said police searched their house in the northern region of Navarra, which borders Basque country, and found two tiny rooms filled with a total of 151 kilos (333 lbs) of explosives.
ETA officially called off its cease-fire in June 2007. Since then, police in Spain and France have arrested dozens of suspected ETA members, including senior operatives. E-mail to a friend ![]()
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