A politician in suburban New York recently accused of saying she’d “slice” a “bitch” colleague’s throat is facing new claims she forced an aide to keep a COVID diagnosis secret.

Tasha Diaz, the Yonkers City Council’s Democratic majority leader, is facing more bullying claims from a former legislative worker who said Diaz even threatened to call Child Protective Services on her.

“Councilmember Diaz created an extremely toxic work environment during my tenure in Yonkers City Hall,” ex-legislative aide Jenika Delgado wrote in a complaint filed with City Hall and obtained by The Post.

“Her behavior included regular use of violent language and threats at myself and others as well as berating for small issues that she perceived as poor performance,” it added.

The new accusations come less than a week after fellow Councilwoman Corazon Pineda-Isaac filed a complaint over Diaz’s menacing, which included claims the majority leader threateneto “smack the taste” out of her mouth.

Delgado told The Post she was “left in tears” on multiple occasions and said she was forced to work — despite being sick with COVID-19.

She was also allegedly ordered not to tell anyone at work about the fact that she was sick.

“She forbade me from telling anyone about my illness and prevented me from taking my legally mandated sick leave,” she wrote in the complaint.

Delgado told The Post that Diaz tried to intimidate and “threaten her motherhood” after Child Protective Services were called when her son had some missed online schooling during COVID. The former aide said she was unable to help her son learn online because she had to go to work in person.

Diaz allegedly pushed to CPS and came to Delgado’s defense but later held the incident over her head,threatening to call CPS back and saying Delgado “needed her,” Delgado claimed.

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Delgado told The Post she reached out to HR to file complaints but none of the issues she presented were ever resolved.

In her letter, Delgago calls for Diaz to resign from her post or if she refuses, for her colleagues to remove her from office.

Christina Gilmartin, a spokeswoman for city Mayor Mike Spano, told The Post “these allegations are concerning, yet, this is a City Council matter and it is the only governing body that can address it and take any action.”

The City Council was scheduled to hold a special session on the allegations Thursday night.

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Mayor Mike Spano’s spokesperson Christina Gilmartin did not immediately return The Post’s request for comment.

Diaz was also captured in an audio recording threatening Pineda-Isaac, the same lawmaker whose “throat” she allegedly said she wanted to slash after the rival voted against her reappointment as majority leader.

The complaint Pineda-Isaac filed against Diaz with City Hall details numerous inappropriate remarks allegedly made by Diaz about Pineda-Isaac, including that she would “smack the taste” out of her colleague’s mouth.

Diaz did not return The Post’s request for comment on the latest complaint.