Police were called to pre-polling at the voting centre on Peisley Street after a row between rival parties on the footpath.
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However, no charges were laid after the incident on Thursday morning.
Nationals campaign adviser Annie Hazelton, the daughter of candidate Kate Hazelton, claims she was verbally abused by Shooters, Fishers and Farmers party representatives including state director Filip Despotoski.
"He said the Young Nationals are full of Nazis and asked me where my swastika tattoo was," Ms Hazelton said.
"Obviously they were trying to bait me."
She said the situation had been heating up over the past couple of days to the point she brought along a female friend to support her.
Ms Hazelton said her friend began filming the SFF party volunteers which she said they objected to, even though she said it was not illegal.
Mr Despotoski said they took exception to the Nationals party people "secretly recording people".
He denied calling Ms Hazelton a 'Nazi' but said they had talked about 'Nazis' being members of political parties.
Both said the election centre manager Ross Baker called the police to calm the situation.
Orange police said they did not want to discuss the incident.
Ms Hazelton also confirmed that earlier in the day she had been handing out flyers which contained part of a 2016 newspaper article with the headline: 'I shot an elephant then ate it: NSW Shooters MP Robert Borsak'.
An image of Mr Borsak with the dead elephant was also on the flyer.
"I just wanted to highlight what Robert Borsak does in his spare time," she said.
Ms Hazelton said most people did not take the flyer.
"I think most who did see it were quite disgusted by it," she said.
The SFF party Phil Donato won the seat at the 2016 byelection.
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