Brooklyn resident Terrence Smith, 38, was fatally stabbed along Eastern Parkway in Crown Heights, Brooklyn late Tuesday night.
Two women in their 20s are listed in critical condition. The other three victims are expected to recover.
The woman was hit by an 18-wheel truck on eastbound Eastern Parkway in Crown Heights just after 5:20 a.m. on Friday.
The New York Carnival is considered the nation's largest Caribbean cultural festival attracting more than a million jubilant participants and spectators.
Damage and debris scattered on the ground near the Crown Heights building.
Amadou Diallo, an innocent bystander, was killed in the shooting.