Earlier cuts from the outgoing Socialist PSOE party garnered legal action of its own, with over a dozen investment funds lodging complaints against Madrid as a result of P-focused reductions in subsidies.

FORBES: Spain's Solar Critics Lawyer Up (Again)

Their main competitor, the Socialist Party (PSOE, center-left), trails in the polls.

CNN: STORY HIGHLIGHTS

The leader of the Spanish opposition party, the Spanish Socialist Workers' Party (PSOE), Joaquin Almunia, rejected ETA's claim that it was resuming the armed struggle because the other Basque parties had failed to rally to its call for pan-Basque elections.

BBC: Politicians condemn separatists