President Trump criticized Fox News on Sunday over its recent polling, saying he doesn't "believe" the polls in recent days that have suggested he's losing ground to Democratic rivals and his disapproval rating is on the rise.

"I don't know what's happening with Fox," he told reporters as he prepared to leave New Jersey, saying he doesn't "believe" the polls.

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"Fox is different. There’s no question about it," he said, adding that he's "the one calling the shots" on the general election debates.

Trump also would not directly answer questions about whether he'll debate in 2020.

A Fox News representative was not immediately available for comment.

A Fox News poll released Thursday showed Trump losing head-to-head match-ups against four top Democratic presidential primary candidates.

The poll found Trump trailing Sens. Bernie Sanders Bernie SandersSirota reacts to report of harassment, doxing by Harris supporters Republicans not immune to the malady that hobbled Democrats The Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election MORE (I-Vt.), Kamala Harris Kamala HarrisTexas Democratic official urges Biden to visit state: 'I thought he had his own plane' The Hill's Campaign Report: Biden on Trump: 'He'll leave' l GOP laywers brush off Trump's election remarks l Obama's endorsements A game theorist's advice to President Trump on filling the Supreme Court seat MORE (D-Calif.) and Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.) as well as former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE.

Another poll showed his disapproval rating rising to a near record.

Earlier in the day, Trump lashed out at Fox News political analyst Juan Williams, calling him "pathetic," "nasty" and "wrong."