One of the children at a White House press conference on Thursday during Take Your Daughters and Sons to Work Day asked White House press secretary Sarah Huckabee Sanders why 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 fired former FBI Director James Comey James Brien ComeyDemocrats fear Russia interference could spoil bid to retake Senate Book: FBI sex crimes investigator helped trigger October 2016 public probe of Clinton emails Trump jabs at FBI director over testimony on Russia, antifa MORE.

Comey “did some things that weren't really very nice, so that's why the president let him go,” Sanders said, according to multiple media accounts.

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Sanders was hosting a press conference for the children of White House reporters, with the help of her own kids.

Trump fired Comey last May. He cited recommendations by Deputy Attorney General Rod Rosenstein Rod RosensteinDOJ kept investigators from completing probe of Trump ties to Russia: report Five takeaways from final Senate Intel Russia report FBI officials hid copies of Russia probe documents fearing Trump interference: book MORE and Attorney General Jeff Sessions Jefferson (Jeff) Beauregard SessionsGOP set to release controversial Biden report Trump's policies on refugees are as simple as ABCs Ocasio-Cortez, Velázquez call for convention to decide Puerto Rico status MORE in his formal letter dismissing the FBI chief.

However, Trump later noted the FBI investigation into possible ties between the Trump campaign and Russia in his reasoning for firing Comey.

“Regardless of recommendation, I was going to fire Comey,” Trump said during a NBC interview last year.

“And, in fact, when I decided to just do it, I said to myself, ‘You know, this Russia thing with Trump and Russia is a made up story,’” he added.

The president backtracked on that statement in a tweet last week.

Slippery James Comey, the worst FBI Director in history, was not fired because of the phony Russia investigation where, by the way, there was NO COLLUSION (except by the Dems)! — Donald J. Trump (@realDonaldTrump) April 18, 2018

Trump also reportedly told two Russian officials during an Oval Office meeting last year that firing Comey eased “great pressure.”

The former FBI director has been largely critical of Trump, both in his new book and during his book tour. He called the president "morally unfit" to lead and said it's possible that Russia has evidence against Trump.