25-year-old Jayson Smith is charged with murder, gang assault, assault, and criminal possession of a weapon.
The incident was reported Saturday just after 6 a.m. at the intersection of Belmont Avenue and Mother Gaston Boulevard in Brownsville.
Police say there was a dispute between multiple people before the stabbings.
15-year-old Parlay Oller was stabbed in the abdomen and pronounced dead at Brookdale University Hospital and Medical Center.
The other two victims are in stable condition.
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