President Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE's personal assistant was fired Monday, The Wall Street Journal reported.

John McEntee on Monday was escorted out of the White House, according to two senior administration officials.

He was escorted from the White House because of an "unspecified security issue," the Journal reported, citing a third White House official.

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The Trump campaign announced on Tuesday that McEntee is rejoining the campaign as a senior adviser.

White House press secretary Sarah Huckabee Sanders told the Journal that "we don't comment on personnel issues."

According to the Journal, it is not clear why McEntee was fired.

“It’s not going to be great for morale,” one White House official said about his leaving.

McEntee has been working with Trump since the early days of his presidential campaign.

In his role in the White House, McEntee did tasks such as giving the president messages and making sure the clocks were correctly set for daylight saving time.

According to the Journal, he was not allowed to gather his belongings before being escorted out of the White House.