Jose Velasquez, age 38, of Valley Stream, was arrested on Monday, July 22, in Valley Stream, Nassau County Police said.
The incident occurred around 12:30 a.m. on Monday, July 22, at the J & F Jimenez Deli at 240 Rockaway Ave.
According to Nassau County Police, the woman told officers she was attempting to break up a fight when Velasquez slashed her left hand.
Velasquez was charged with assault and criminal possession of a weapon and held for arraignment early Monday, July 22.
The victim refused medical treatment, police said.
No other injuries were reported.
Click here to follow Daily Voice Manorville and receive free news updates.