According to a report by La Stampa, h/t @LiveSquawk
It says that Salvini is looking to break away from the center-right coalition with Forza Italia in order to join forces with the Five Star Movement party - the single biggest party in the Italian elections.
Finally, a little bit of headway on the political front in Italy. But how much of this is a threat more than actual intention we shall see. It is politics after all. Nothing is done until it is done.