Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE (R-Ky.) said Tuesday that a budget that slashes State Department funding likely wouldn't clear the Senate.

Asked if a budget that cuts the agency’s funding by roughly a third could pass the upper chamber, McConnell told reporters "probably not."

"When we get to funding the government, obviously it will be done on a bipartisan basis," he said.

The Wall Street Journal reported that the Trump administration’s budget would cut the State Department and the U.S. Agency for International Development by roughly 37 percent.

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Stressing that he was speaking for himself and not the caucus, McConnell added that the "diplomatic portion of the federal budget is very important."

"I'm not in favor of cutting what we call the 150 account by that amount," he said.

The 150 account includes international affairs funding.

Trump's first budget is coming under fire from several GOP lawmakers.

Sen. Lindsey Graham Lindsey Olin GrahamSenate Republicans face tough decision on replacing Ginsburg Democratic senator calls for eliminating filibuster, expanding Supreme Court if GOP fills vacancy What Senate Republicans have said about election-year Supreme Court vacancies MORE (R-S.C.) told NBC News that it was "dead on arrival." Meanwhile, Sen. John McCain John Sidney McCainMcSally says current Senate should vote on Trump nominee Say what you will about the presidential candidates, as long as it isn't 'They're too old' The electoral reality that the media ignores MORE (R-Ariz.) has knocked it over its level of defense spending.