President Biden’s son Hunter Biden has joined meetings with the president and close staff at the White House this week following a Biden family meeting at Camp David on Sunday.

Hunter Biden has joined the president in meetings with top aides, closely advising his father and popping into meetings and phone calls with the president, according to a report from NBC News, citing multiple White House sources.

The White House sources told NBC News that the president’s son's sudden presence at meetings has caused confusion for some White House staff, with the reaction being, "What the hell is happening?"

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The report noted that while it is not unusual for Hunter Biden to be around the White House for events, his participation in meetings with top aides is not a common occurrence.

Fresh off a conviction last month in a federal court in Delaware over gun charges, Hunter Biden remains under indictment for tax-related felonies. Like the case in Delaware, the president’s son has pleaded not guilty to those charges.

Hunter Biden was also reported to be one of the biggest advocates for his father staying in the race during a gathering at Camp David in the aftermath of the president’s poor debate performance, with some critics arguing the president using his son as a top adviser has become a conflict of interest.

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"It's just a pure and simple massive interest in his dad staying president so he can pardon not only Hunter, but Joe and the rest of the family for the crimes they committed, and probably Merrick Garland, too, for his role in the cover-up," Mike Howell, the executive director of the Oversight Project at the Heritage Foundation, told Fox News Digital.

Meanwhile, White House spokesman Andrew Bates downplayed concerns over Hunter Biden’s sudden presence, telling NBC News that the president’s son "came back with the President from their family weekend at Camp David and went with the President straight into speech prep."

 White House press secretary Karine Jean-Pierre similarly downplayed the concerns during a Tuesday news conference, telling reporters that the president "is very close to his family."

"This is a holiday week, 4th of July," she said. "He spent time with his family, as you all know, and reported at Camp David. Hunter came back with him and walked with him into that meeting, that prep, that speech prep."

The White House did not immediately respond to a Fox News Digital request for comment.