PARIS (Reuters) - The independence speech made by Catalonia s leader was a  trick , Spanish Foreign Minister Alfonso Dastis said on Wednesday, although he said there was room for negotiations within the frame of Spain s constitution.  Carles Puigdemont s speech to the Catalan parliament on Tuesday was  a trick to say one thing and do the opposite,  Dastis told French radio station Europe 1. Puigdemont leader balked at making a formal declaration of independence from Spain on Tuesday, calling for talks with Madrid over the region s future in a gesture that eased fears of immediate unrest in the heart of the euro zone. Asked about the possibility of organize another referendum in Catalonia, Dastis said that Spain s constitution does not allow it.   We cannot accept that a portion of the Catalans decide for the whole of Spain,  he said.  