The victim was stabbed in the back inside the restaurant on Broadway just after 2:45 a.m. on Thursday.
He was taken to Bellevue Hospital in stable condition.
A man wearing all black clothing fled on foot. No arrests have been made.
Then, just a few hours later in the East Village, another man was slashed at St. Marks Place and 2nd Avenue.
A 44-year-old man suffered a slash wound to his right hand.
He was also taken to Bellevue Hospital in stable condition.
It's not yet known if the incidents are connected to the same suspect.
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