madrid spanish prime minister mariano rajoy friday rule call national election catalan separatists regional vote thwart bid resolve country big political crisis decades rajoy gamble unionist party take control catalonia regional government sack october illegally pursue independence spain rajoy speak news conference say would make effort hold talk new catalan government however clarify whether would will meet depose catalan president carles puigdemont self-imposed exile brussels whose party retain position large separatist force spain 's rajoy rule national election catalonia upset