NEW YORK (CBSNewYork) — Police were searching Tuesday night for a man who placed his genitals into a teenage girl’s hand while on the subway on the Upper West Side late last month.

Police said around 8:20 a.m. Monday, Oct. 30, the 17-year-old was on a southbound D Train near the 81st Street-Museum of Natural History stop when the man placed his exposed penis into her right hand.

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The girl turned in the man’s direction and saw him using a backpack to cover his groin, police said.

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The girl got off the train and transferred at another station, police said. It was not clear where the suspect left the train.

Police have released a photo of the suspect.

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D Train Sex Abuse Suspect

Police say this man put his genitals in a 17-year-old girl’s hand on a D Train on Monday, Oct. 30, 2017. (Credit: NYPD)

Anyone with information was asked to call the NYPD Crime Stoppers at (800) 577-TIPS or (888) 57-PISTA for Spanish, log onto the Crime Stoppers website, or text tips to 274637 (CRIMES) and enter TIP577.