NEW YORK (CBSNewYork) — Police on Friday were searching for a man who they say groped the same woman twice on different days in the subway in Lower Manhattan last month.

Around 8:20 a.m. Monday, Feb. 6, the 30-year-old woman was going up the stairs to the street at the Fulton Street station complex when the man came up and grabbed her buttocks, police said.

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The suspect then ran west toward Broadway, police said.

Around 8:25 a.m. the following day, the same woman was on a Manhattan-bound Z Train headed to Canal Street, when the same man came up and ground his groin against her buttocks, police said.

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The man got off the train at Canal Street while the woman stayed on board, police said.

The suspect was described as a black male about 25 years old, standing 6 feet tall and weighing about 220 pounds. Police have released a photo.

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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.