The incident occurred around 6:35 p.m. on Chestnut Street near Route 25A in Mount Sinai.
A police department spokesman said the victim -- whose identity was not released -- was stabbed with an ice pick. They suffered non-life-threatening injuries and were taken to Stony Brook University Hospital.
A suspect was apprehended at the scene and taken into custody. No information as to the suspect's identity or possible charges was immediately released.
This is a breaking news story. Stay with Examiner.com for updates as more information becomes available.
With Andrew Tetreault