Nearly half of midterm voters surveyed thus far view President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE’s immigration policies are “too tough.”

About 48 percent of those who have already voted in their midterm races said they thought the White House’s immigration policies go too far. Sixteen percent surveyed said the Trump administration's policies are not tough enough, while 32 percent said they are “about right,” according to initial exit polls reported by CNN.

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Trump barnstormed the nation in the final days of the midterm campaign to bolster Republican candidates in several tight Senate races, making immigration the centerpiece of his closing argument.

The president, in recent days, floated the idea of issuing an executive order to end birthright citizenship and tweeted out a controversial ad featuring a man accused of killing two police officers spewing profanities and threats while at trial in 2014. The ad, directed at building support for Republican midterm candidates, received harsh criticism, even from some in Trump's own party who denounced the ad as racist.

The president also announced that he was sending as many as 15,000 troops to the southern border to confront a caravan of thousands of Central American migrants making their way to the U.S. to seek asylum.

In recent months, Trump has slammed Democrats for wanting “open borders” and claimed at several campaign rallies that they want to give undocumented immigrants the right to vote in order to expand their base.

Republicans fear that Trump's intense focus on the hot-button issue of immigration could alienate moderate voters in suburban districts that are home to some of the nation’s fiercest House races.