[GulliverSwift]

That doesn't mean anything. Would you trust a murderer to tell the truth? They may very well not want to claim responsibility to avoid trouble for themselves.

[katana]

If you've followed ETA's activities, which go all the way back to the Franco era, this type of coordinated attack on civilians intended to cause the maximum amount of casualties isn't their style. Further, they would know that the reaction from the Spanish government and people will be overwhelming. Nope, this reeks of a muslim terror action and, with Morrocco and the rest of North Africa just a stone's throw from Gibraltar, there are plenty of available recruits to have carried it out.