Presidential candidate Andrew Yang fired a staffer who was accused of misconduct and mistreatment of others on the campaign.

The campaign made the announcement on Wednesday after actress Alyssa Milano withdrew her support from a Yang fundraiser a day earlier.

While Milano initially labeled the staffer's behavior as "repeated allegations of sexual misconduct," the staffer's fireable behavior was not sexual in nature, according to Politico's Eugene Daniels. The campaign did not give specifics about the alleged misconduct.

“We take any allegation of harassment or mistreatment very seriously on this campaign. If anyone on our team hears about this complaint, we act quickly and immediately," Yang said.

The fundraiser that Milano decided not to attend was meant to be a brunch with tickets ranging in price from $100 to $5,600.

"I have made the difficult decision to withdraw my participation from a fundraiser for the @andrewyang campaign. This is due to repeated allegations of sexual misconduct against a campaign staffer by a campaign staffer which were not appropriately addressed," she tweeted Tuesday. "While I have not endorsed any candidate, I do believe Andrew Yang is a good man with progressive, smart, interesting ideas. And to be clear, NO allegations have been made against him personally. But this issue is too important and too prevalent. The buck stops at the top."

The former tech entrepreneur qualified for next week's presidential debate on Tuesday.