NEW YORK (CBSNewYork/AP) — A construction worker has admitted beating a woman unconscious and trying to sexually abuse her in a New York City bar bathroom. She told police he attacked her after she shrugged off his attempts to dance with her.

Mbarek Lafrem, 32, said little as he pleaded guilty Monday to assault and attempted sexual abuse. A judge promised him a 16-year sentence after prosecutors asked for 20 years. He is scheduled to be sentenced on Sept. 1, according to the Manhattan District Attorney’s office.

The Moroccan-born Lafrem and the 29-year-old woman, a pediatric nurse from Connecticut, crossed paths at the pub Social on 8th Avenue on March 2010. He lived in Norwood, Pa., but was working in Manhattan.

The victim told police he followed her into the women’s bathroom and burst into a stall. Prosecutors say she was found unconscious, with her pants nearly pulled off.

She suffered a broken eye socket and nose, skull fractures, a busted jaw and required 50 stitches to close a gash in her forehead, according to court papers.

Should a bar have security outside bathrooms? Sound off in our comments section below…

(TM and Copyright 2011 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2011 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.)

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