A 32-year-old man leaving his sister’s house in Flanders was stabbed in the early morning hours on Sunday, Southampton Town police said.
The victim, who lives in Riverhead, was attacked by an unknown assailant after leaving a house on Oak Avenue at about 3:30 a.m., according to police.
Police said he sustained a single stab wound to his abdomen. The Flanders Northampton Volunteer Ambulance Corps treated the man at the scene and transported him to Peconic Medical Center for treatment.
Detectives are actively investigating the incident and asking anyone with information to contact the detective division at 631-702-2230. All tips will remain confidential.