NEW YORK (CBSNewYork) — The NYPD wants help from the public in finding a suspect who sexually assaulted a woman on the Upper West Side.

On Tuesday around 2:30 a.m., a 27-year-old woman was followed into a building, where her assailant grabbed her and forced her into an elevator.

The man assaulted the woman in the elevator, then ran off when the elevator doors opened.

Police did not specify where the attack happened, but said it was in the 20th Precinct, which is bounded by 59th Street on the south, 86th Street on the north, Central Park West on the east and the Hudson River on the west.

The assailant is described as a Hispanic male standing 5 feet 9 inches to 6 feet tall and weighing 150 to 170 pounds. He was last seen wearing a gray shirt, a brown-beaded necklace, blue jeans and black sneakers.

Anyone with information is asked to call Crime Stoppers at 800-577-TIPS (8477), log onto the Crime Stoppers Web site, or text tips to 274637 (CRIMES) then enter TIP577.

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