"Video of the incident depicts Gill patting the former mayor on the back at the ShopRite he worked at while Giuliani was there campaigning for his son, Andrew, who ultimately lost in his bid to run for governor in November's general election.

Giuliani has claimed that Gill "hit me to knock me down" and said it felt like a bullet or as "if a boulder hit me."

"The former mayor made several serious allegations. He was videoed saying things that happened. Those things did not happen," Adams said at an unrelated press conference in lower Manhattan.

"Because of his report to the Police Department, a person went to jail for 24 hours."

"I don't know if people know what it's like being in jail when you did not commit a crime," said Adams, who was briefly incarcerated as a teenager.

"You never get over that. This person's life has been changed because of what all of us saw. The pat on the back was not a punch to the head, was not knocking someone to the ground."

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Rudy has bigger fish to fry... for his efforts to keep an orange whale in office.

there's video