A Yonkers man who sexually assaulted a woman on a city street last June admitted to the crime Tuesday and faces up to 15 years in state prison, officials said.

Deshawn Manners, 33, of 35 Cliff St., pleaded guilty to felony first-degree attempted rape in Westchester County Court in White Plains, District Attorney Janet DiFiore said in a statement.

At 3 a.m. on June 18, 2012, Manners followed a 53-year-old woman walking home and attacked her, officials said. Manners stalked his victim for several blocks from Getty Square to Park Avenue before jumping her from behind and choking her into unconsciousness.

When the victim came to, Manners ripped her blouse open and sexually assaulted her, officials said. Her cries for help spurred a 911 call by a nearby homeowner. Police arrived and saw Manners attacking the victim, but he ran away before they could catch him. The victim was treated at a nearby hospital.

A DNA sample taken during the investigation was entered into a national database, and a match was made to Manners' existing profile, officials said. He was arrested Oct. 22 at Westchester County Jail in Valhalla after serving a sentence there for a misdemeanor drug possession conviction.

"DNA and solid detective work by the Yonkers Police Department came together to identify and apprehend this defendant," DiFiore said. "The violent nature and relentlessness of the attack on this victim and his actions in repeatedly chasing her down as she tried to escape is every woman's nightmare."

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Manners will be sentenced May 7. He remains at the county jail.

Assistant District Attorney Fredric Green, chief of the county's sex crimes bureau, prosecuted. Manners was represented by an attorney from the Legal Aid Society of Westchester. A call to the Legal Aid Society on Tuesday afternoon was not immediately returned.