Top Spanish officials have repeatedly warned that ETA is not yet finished . Bomb exploded outside a television station in Spain 's Basque Country . Police got a warning call from the separatist group ETA . The warning came an hour ahead of the attack ; police evacuated area .
Bomb exploded outside a television station in Spain 's Basque Country . Police got a warning call from the separatist group ETA . The warning came an hour ahead of the attack ; police evacuated area .