Republican congressional candidate Bob Bishop on Tuesday is criticizing his rivals for the GOP nomination in the 19th district, saying they are unfairly challenging his petitions for the ballot.

“Andrew Heaney and John Faso are using the same tactics that political insiders have used for years to try and disenfranchise every day Americans,” Bishop said. “Our campaign attracted volunteers from all corners of the district to help a true outsider get on the ballot in order to give voters a real choice in June. John Faso and Andrew Heaney are scared of my candidacy and will do anything to stop it.”

Updated — A spokesman for Faso campaign says the candidate has nothing to do with the petition challenges against Bishop.

Bishop in a statement compared the effort to question his petitions to the Republican establishment’s national unease with Donald Trump’s campaign.

“These political games are exactly what voters are coming out in droves today to stop. My opponents are doing the exact same thing the Republican establishment is attempting to do to Donald Trump – trampling on the people’s voice in favor of their own interests,” Bishop said. “Andrew Heaney and John Faso have repeatedly said that this election should be decided by the voters but it’s clear they will simply say whatever they need to get elected – just like we’ve come to expect from wealthy insiders and career politicians.

The 19th district in the Hudson Valley is being vacated by Rep. Chris Gibson, a Republican who is considering a run for governor in 2018.

The district has been considered a battleground for Democrats and Republicans nationally, with Gibson fending off challenges to the seat during re-elections bid in 2012 and 2014.