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CANARSIE, Brooklyn — A woman was arrested late Wednesday night in Brooklyn after she allegedly assaulted an NYPD officer while trying to stop cops from arresting her son who had stolen beer from a local shop, police said.

The NYPD said it all happened around 11 p.m. after police officers witnessed the womans 26-year-old son steal beer from a store in the Canarsie neighborhood.

The alleged thief fled to his Rockaway Parkway home, where he lives with his mother, while the officers gave chase, following him to the house, authorities said.

Once at the home, the 47-year-old woman closed the door on the cops and even choked one of them, police said.

The mother, identified as Swan Williams, and her adult son were both placed under arrest, according to authorities. The son was not immediately identified.

Williams will face charges including two counts of assault on a police officer, as well as four counts of obstructing government administration, the NYPD said.

The woman told police she was a probation officer, but the NYPD later determined she’d lied about that, an NYPD spokesman said. She was charged with criminal impersonation of a public servant.

The officer who was assaulted was treated at a nearby hospital and released, police said.

Editor’s note: Police initially said the suspect was an off-duty probation officer who worked for New York City based on what the woman told them. However, an official with NYC Department of Probation later told PIX11 News the woman has never worked for the department. The NYPD later determined the woman was not a probation officer.

Submit tips to police by calling Crime Stoppers at 1-800-577-TIPS (8477), visiting, downloading the NYPD Crime Stoppers mobile app, or texting 274637 (CRIMES) then entering TIP577. Spanish-speaking callers are asked to dial 1-888-57-PISTA (74782).