Nikolas Lore was arrested Monday, Sept. 25, and charged with aggravated assault, simple assault, and weapon possession, according to police.
It happened at the Lenape Skate Park on Constitution Avenue and the victim was taken to Grandview Hospital, the department said.
Police said Lore and the victim knew each other.
The 19-year-old was held in lieu of $150,000 bail and ordered to stay away from both the skate park and the victim, they added.
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