Suffolk County police are searching for the man responsible for the sexual assault of a woman who was walking on a Brentwood street last week.

A woman was walking on Grouse Drive on Feb. 13 about 9 p.m. when she was allegedly approached by a man who spoke to her in Spanish.

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The woman ran away, falling on ice in the roadway. The man sexually assaulted the woman and fled the area, police said.

The man was described as being 5-foot-6, chubby, between 30 and 40 years old with a full black mustache and thinning black hair. He was wearing a brown Carhartt jacket with blue jeans and work boots, police said.

Detectives are asking anyone with information to call the Third Squad at 631-854-8352 or anonymously to Crime Stoppers at 800-220-TIPS.

All calls will be kept confidential.