ArcelorMittal said last week it was withdrawing from a 2018 deal to acquire Ilva's site in the southern city of Taranto, blaming its decision on a government move to scrap immunity from prosecution over environmental damage in the area.

"Nationalisation would create problems with the European Commission...we have to look for a market solution", Misiani said in a radio interview with RAI.

(Reporting by Francesca Piscioneri, editing by James Mackenzie)