The mayor of Palisades Park, N.J., apologized on Thursday after his 80-year-old mother went on a racist rant on social media about Korean-Americans who live in the area.

In a since-deleted Facebook post, Lorraine Rotundo, the mother of Mayor James Rotundo (D), alleged her son was the victim of “illegal voting” by Korean Americans in the borough’s Democratic primary election where her son is trailing in a too close to call battle with Councilman Chris Chung, who is Korean-American.

"Go to hell PALISADES PARK, let the GD KOREANS have this F'n town," Rotundo wrote in the post, according to northjersey.com. "All of us AMERICANS are so done. I am going to suggest that only English be spoken in our Boro Hall at least while an AMERICAN is still the mayor."

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"Any American working there has no idea what is going on because Korean is mostly spoken there, not English,” she went on to say in the rant.

The borough's Korean community makes up more than 50 percent of its total population, according to the report.

James Rotundo disavowed his mother’s statements in an interview with the local publication.

“I am not defending at all my mother’s comments and I think that was totally disgusting and inappropriate, and I know the minute I heard about it, I told her to remove it immediately, which she did,’’ he said. “She is devastated and apologetic, and mortified of her statement of what she said, and I know that she has also posted an apology to the community.”

The longtime incumbent attributed his mother's remarks to the close primary results as Chung attempted to be the borough’s first Korean-American mayor.

“She’s upset about her son losing. I mean, it’s a mother trying to defend her son, who loves her son,’’ Rotundo said.

Chung had a narrow lead in votes, but nearly 100 provisional ballots for the primary race still have to be counted. They are expected to be counted by Monday, according to the newspaper.