President Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE’s approval rating has fallen 3 points in the latest Quinnipiac University poll, which was released on Wednesday.

The new poll, conducted Feb. 16-19, found that 37 percent of American voters approve of Trump’s job performance, while 58 percent disapprove.

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This marks a decline from the last Quinnipiac poll, released on Feb. 7, which had Trump’s approval rating at 40 percent, the highest it had been in seven months.

The lower ratings follow controversy concerning former White House staff secretary Rob Porter’s resignation after being accused by his two ex-wives of domestic abuse.

Nearly 60 percent of voters said they disapprove of how Trump handled the Porter case.

Special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE also brought charges against 13 Russian nationals and three Russian groups last Friday for interfering in the 2016 election.

Fifty-seven percent of American voters said they disapprove of how the president responded to the threat of Russian interference in the 2018 elections. The same percentage said Trump is not fit to serve as president.

More than three-fourths of Americans, including a majority of Republicans, said the Russian government did try to influence the 2016 elections and 68 percent said they are concerned that they might try to do it again in 2018.

Trump still maintained a higher approval rating than both parties in Congress. Only 22 percent of Americans approve of how Republicans are handling their job. Democrats have 28 percent approval.

The Quinnipiac poll surveyed 1,249 voters nationwide and had a margin of error of 3.4 percentage points.