Russia demanded that various Italian museums return paintings and other art works that ended up loaned to them, as international tension produced by Russia’s invasion of Ukraine spills over into the art planet.

Russia’s Ministry of Tradition has this week demanded that the Gallerie d’Italia in Milan, a museum owned by Italian lender Intesa Sanpaolo, return 23 art is effective loaned by four Russian museums that are presently on screen as aspect of an exhibition called “Grand tour: The dream of Italy from Venice to Pompeii,” a spokesman for Intesa Sanpaolo reported on Thursday. The paintings, sculptures and vases will be returned to Russia just before the conclusion of the exhibition, the spokesman claimed.

Independently, Mikhail Piotrovsky, the director of the Hermitage Museum in St. Petersburg, has written to Palazzo Reale museum in Milan requesting the return of two paintings, such as “Young Lady With a Feathered Hat” by Venetian grasp Titian. The paintings are predicted to be transported to Russia in about a 7 days, a spokeswoman for Palazzo Reale stated.

“It’s apparent that when an proprietor requests the return of its is effective, these need to be returned,” Italy’s Minister of Culture Dario Franceschini told reporters late Wednesday.

The Italian ministry is compiling a listing of performs belonging to Italian museums and cultural establishments that are currently on bank loan in Russia, a Rome federal government official said. No final decision has been made as to regardless of whether there will be a official request for their return earlier than earlier agreed.

The Russian Embassy in Italy declined to comment.