Italy’s foreign minister on Tuesday condemned “unacceptable” remarks by Israeli National Security Minister Itamar Ben-Gvir, who attacked Rome after learning he was under investigation over the treatment of activists detained during seizure of a Gaza-bound aid flotilla.

“These are unacceptable words, unworthy of a minister,” Antonio Tajani said, referring to comments made by the far-right Israeli minister. “Italy is a friend of Israel that has always defended freedom and democracy,” Tajani added, saying Ben-Gvir’s words “demonstrate the moral standing of this gentleman.”

Rome prosecutors have launched an investigation into Ben-Gvir in connection with the treatment of Italian nationals detained during the interception of the flotilla, according to Italian media reports.

The probe is part of a broader investigation underway for several weeks into the Israeli authorities’ boarding of the activists — including Italians — with prosecutors examining allegations that include torture and kidnapping.

READ: Italian prosecutors investigate Ben-Gvir over Global Sumud Flotilla case