Iranian Foreign Minister Mohammad Javad Zarif criticized President Trump’s comments about Iran on Sunday, also attacking new U.S. arms and investment deals with Saudi Arabia.

Zarif took to Twitter to slam Trump, writing, “Iran—fresh from real elections—attacked by President Trump in that bastion of democracy & moderation. Foreign Policy or simply milking [the Kingdom of Saudi Arabia] of $480B?”

Iran—fresh from real elections—attacked by @POTUS in that bastion of democracy & moderation. Foreign Policy or simply milking KSA of $480B? pic.twitter.com/ahfvRxK3HV — Javad Zarif (@JZarif) May 21, 2017

The tweet included a screen shot of text from Trump’s speech Sunday in Riyadh to leaders of the Muslim world.

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Zarif suggested that the president’s flattering rhetoric toward the Saudis in the address was a result of dealmaking between the U.S. and Saudi Arabia.

Trump knocked Iran in his speech Sunday, saying other nations should work to “isolate” the country.

“Until the Iranian regime is willing to be a partner for peace, all nations of conscious must work together to isolate Iran, deny it funding for terrorism, and pray for the day when the Iranian people have the just and righteous government they deserve,” Trump said.

Iran, a Shia Muslim nation, has long considered Saudi Arabia to be its top Sunni adversary in the Middle East.

The U.S. and Saudi Arabia reached an arms agreement that increases Saudi Arabia’s defense capabilities and allows the U.S. to scale back on its military commitment in the Middle East.

Saudi Arabia was the first stop on Trump's nine-day trip to the Middle East and Europe, his first trip abroad as president.