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WASHINGTON (AP) — As Nevada Republicans caucus across the state, the Republican National Committee says it is concerned about reports of double voting at a troubled caucus site in Las Vegas.

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RNC spokesman Fred Brown acknowledges there have been reports Tuesday night of double voting, long lines and not enough ballots at Palo Verde High School. Some people were being turned away and directed to another location.

Candidate Donald Trump stopped by the school as part of his last-minute campaigning.

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Brown says the double-voting problem appears to be limited to one part of a caucus site where different precincts have been combined. The party plans to compare the number of paper ballots cast to the sign-in sheet to determine whether any double voting actually occurred.

Other caucus sites appear to be running smoothly with no reports of difficulty.

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