CALDWELL, NJ — A man who was fatally stabbed in Caldwell on Sunday has not been identified because his identity has not been formally confirmed and next of kin have not been notified, according to Acting Essex County Prosecutor Carolyn Murray and Caldwell Police Chief James Bongiorno.

The preliminary investigation indicated that this was not a stranger-to-stranger attack. The victim and the attacker are believed to have known one another, according to police.

Bongiorno and Murray announced Monday that the Essex County Prosecutor’s Office Homicide/Major Crimes Task Force and the Caldwell Police Department are investigating the stabbing.

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According to police, a young man was stabbed to death in an apartment above a business he shared with other men in the 400 block of Bloomfield Avenue in Caldwell. It is believed that the victim is from Guatemala and was living and working in Caldwell.

Police said the incident occurred at approximately 2:30 p.m. on Sunday. At this time no arrests have been made.

The investigation is active and ongoing. Additional information will be released as it becomes available.