Authorities say a 5-year-old has died and his parents were injured in a domestic violence incident at the University of North Carolina at Chapel Hill.

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Multiple media outlets report the violence occurred shortly after midnight Sunday in a single-family residence at the Baity Hill family housing community. The UNC website describes Baity Hill as an apartment complex that houses graduate students and student families.

Authorities said a knife was used as the weapon in the violence, which also involved the child's parents. They were taken to a hospital for treatment.

Residents in the complex are concerned even though police say there's no threat of danger.

"A little bit on my toes. We have two kids and I've always felt really safe here, so to know something can happen just next door in a really safe environment is pretty scary,” neighbor Jessica Dyer said.

Fall semester classes are scheduled to begin Tuesday at the university.