U.S. Rep. Tulsi Gabbard has a message for President Donald Trump: “Being Saudi Arabia’s bitch is not ‘America First.’”

Gabbard sent the tweet to @realDonaldTrump earlier this morning, ratcheting up criticism of the president’s continued support for the country despite the CIA’s conclusion that Saudi Crown Prince Mohammad bin Salman ordered the killing of journalist Jamal Khashoggi.

Hey @realdonaldtrump: being Saudi Arabia’s bitch is not “America First.” — Tulsi Gabbard (@TulsiGabbard) November 21, 2018

“If we abandon Saudi Arabia, it would be a terrible mistake,” Trump told reporters outside of the White House Tuesday. “We’re with Saudi Arabia. We’re staying with Saudi Arabia.”

Trump said that it’s in the best interest of the U.S. not to damage ties with Saudi Arabia over the killing. In particular, he said it could send oil prices soaring.

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“It’s a very simple equation for me,” he said. “I’m about making America great again and I’m about America first.”

Gabbard has been a harsh critic of Saudi Arabia’s intervention in Yemen and has urged the U.S. to end its support for the war. As many as 85,000 children in Yemen are believed to have starved to death since Saudi Arabia intervened in the war, according to estimates released today by a British charity, Save the Children.