Northern League party leader Matteo Salvini waves the Lion of Saint Mark flag on stage during a rally in Verona, May 29, 2015. Sunday's ballots in seven regions and more than 1,000 municipalities, which follow a bruising series of parliamentary battles over Italian Prime Minister Matteo Renzi's reform agenda, will be his biggest test since a triumph in last year's European elections. REUTERS/Stefano Rellandini