Among the critics were Deputy Prime Minister Matteo Salvini, who said he would have favoured the runner-up.
Italy's coalition government has taken aim at the Central Bank as it escalates its attacks on establishment figures ahead of the European parliamentary elections in May.
In an exclusive interview with Euronews, Antonio Tajani and Manfred Weber had plenty to say on Italy's ongoing spat with France.
In a move not seen since World War Two, France has recalled its ambassador to Italy after months of a simmering diplomatic row.
Italy's Deputy Prime Minister Luigi Di Maio met a senior 'yellow vest' figure on Tuesday. Jean-Luc Melenchon and Marine Le Pen have also tried to align their parties with the grassroots campaign.
French President Emmanuel Macron dismissed as insignificant the recent verbal attacks by Italy's two deputy prime ministers.
A French minister tells Euronews that Italy's politicians should focus on making Europe stronger, not attacking their neighbours.
Italian Five-Star populists kicks off EU election campaign with an long-debated issue
Italy's ruling coalition has patched up a row over a tax amnesty and struck a more conciliatory tone towards the EU.
Italy's Deputy Prime Minister Luigi Di Maio says his country could refuse to pay EU contributions if Brussels does not change it's attitude on the migrant issue
Saturday's 5-Star Movement rally in Rome was supposed to be a call for the impeachment of the President of the Republic Sergio Mattarella, but thousands of supporters celebrated the so-called 'government of change'
Italy is set to get a new government on Friday after the two anti-establishment parties agreed on a coalition, ending months of political turmoil.
The rejection of a populist government in Italy could further inflame anti-EU sentiment and destabilise the Eurozone.
The country has been in political limbo since elections in March