NEW YORK (CBSNewYork) — A man accused of punching a Brooklyn woman in the face on the subway after she complained about him manspreading has been arrested, police say.

Police arrested 56-year-old Derek Smith, of Brooklyn, and charged him with assault Saturday.

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Sam Saia said she was attacked while riding the N train Thursday morning.

“I sat down and I existed, and I think this guy had a problem with that. He just started manspreading me extra and pushing me into the wall,” she said. “I just looked at him and said, ‘Alright, just calm down, just relax.’”

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But that advice proved to be a big mistake.

“He just started looking at me and said, ‘B***c, don’t ignore me,’ and he started elbowing me. So I looked at him and [he punched me], and I banged my head into the wall. After that, I just felt blood,” she said.

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A Good Samaritan came to Saia’s rescue and forced Smith off the train.