A Chicago police officer assigned to Mayor Lori Lightfoot’s security detail has been charged with a misdemeanor count of domestic battery, officials said.

The officer, identified as Marni Washington in court records, turned herself in at 3:30 a.m. Wednesday to Area North police headquarters on a warrant, police said. The warrant stemmed from an incident last Thursday afternoon.

Washington allegedly pinned her girlfriend against a wall at their shared home in the Galewood neighborhood on the Northwest Side, according to a petition for an order of protection filed Monday by the girlfriend.

The attack left her with ripped clothing and bruising on her chest, she alleged.

The alleged victim also told authorities that Washington has been controlling and verbally abusive in the past.

Washington appeared in Domestic Violence Court Wednesday. She posted $1,000 bail and was released from custody Wednesday afternoon, a spokeswoman for the Cook County sheriff’s office said.

As a condition of her release, she cannot contact the alleged victim or enter her home, work or school, records show.

A police spokeswoman said Washington, 50, had been stripped of her police powers and placed on paid desk duty pending the outcome of her criminal case. She is paid $107,790, according to city records.

Lightfoot spokeswoman Anel Ruiz released a statement saying the mayor’s office was “aware of the allegations of potential criminal conduct by a member of the mayor’s security detail involving a domestic dispute.”

“While the charges are pending, the individual will not be involved in any police duties,” according to the statement.

At an unrelated news conference, Lightfoot was asked her reaction to the charge.

“I’m not going to get into the specifics given the circumstances. The process will be a process that’s followed that’s longstanding CPD protocol,” the mayor said. “It’s a person I know, a person I care (about) and value, but the process is going to have to play out in the normal course.”

Lightfoot’s security detail drew scrutiny earlier this year after the Chicago Fraternal Order of Police criticized Lightfoot for hiring former Deputy U.S. Marshal James Smith to command the detail — a break from tradition in which Chicago mayors relied on city police officers to protect them. The detail led by Smith includes Chicago police officers.

Lightfoot, a former federal prosecutor, called the controversy “a tempest in a teapot” and said she’s comfortable with Smith.