President Donald Trump slammed Italian Prime Minister Giorgia Meloni again on Sunday, accusing her of refusing to support the U.S. military after he unilaterally waged war against Iran.

In a Truth Social post that did not mention her by name but by her job title, Trump wrote: “After spending Trillions of Dollars on NATO, Italy, and its Prime Minister, wouldn’t even think of becoming involved with the Islamic Republic of Iran and their very serious Nuclear Threat. For decades, we defend them but, when tested, they are not there to defend us, and the rest of the World. Not good!”

A spat that began at the G7 summit last week is boiling over, in part due to Trump’s propensity to beef with fellow world leaders, most of whom are allies.

Trump earlier claimed that Meloni essentially groveled for a photo op with him during the get-together. “She begged me to take a picture with her. She wanted a picture with me so badly. I wouldn’t have taken it, but I felt sorry for her,” he said. He repeated the claim.

Meloni, who reportedly challenged Trump on issues related to the war in Iran during the summit, said he showed more deference to enemies than to allies. She said his claims were “completely made up.”

Trump suggested Meloni was trying to cozy up to him because of her “falling numbers.”

Italian Foreign Minister Antonio Tajani canceled a visit to the U.S. in the wake of the spat, calling Trump’s accusations “serious and offensive.”