At 10:35 a.m. officers went to the APT Foundation at Congress Avenue after calls that someone had been stabbed during a fight.
Emergency personal were called to the scene and transported Keith Wylie, 51 of New Haven, to the hospital. He died from his wounds a half hour later.
Through witness’ descriptions, police said they were able to arrested a suspect.
Daniel Streit, 33 of New Haven, has been charged with first degree manslaughter.
Police said the investigation is ongoing.