Ex-NH GOP chair calls Trump's voter fraud bluff with $1,000 bet
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Fergus Cullen, New Hampshire's former GOP chair, on Friday hit President Donald TrumpDonald John TrumpGOP-Trump trade fight boils over with threat to cars Trump: Meetings on potential North Korea summit going 'very well' Freed American 'overwhelmed with gratitude' after being released from Venezuela MORE over false voter fraud claims he said were the reason New Hampshire Sen. Kelly AyotteKelly Ann AyotteThe Hill's Morning Report: Koch Network re-evaluating midterm strategy amid frustrations with GOP Audit finds US Defense Department wasted hundreds of millions of taxpayer dollars US sends A-10 squadron to Afghanistan for first time in three years MORE lost her seat in November. 

"I will pay $1000 to 1st person proving even 1 outofstate person took bus from MA 2 any NH polling place last ElectionDay #mapoli #nhpolitics," Cullen tweeted Friday evening.

During a closed-door meeting with a group of senators from both parties on Thursday, Trump digressed from a planned discussion of Supreme Court nominee Neil Gorsuch to talk about the elections, arguing that he and Ayotte both should have won the vote in New Hampshire.

According to Trump, Ayotte's reelection bid was foiled by “thousands” of people from Massachusetts illegally casting ballots in the Granite State, meeting participants told Politico.

One source said that the room fell silent after the remark.

There is no proof of Trump's claim, and late Friday a Bush-appointed Federal Elections Commission member called on the president to show evidence for his statements so the commission could investigate.