Mourners of a 17-year-old Sleepy Hollow boy remembered him at a vigil near the park where he was killed on Barnhart Avenue Friday night.
Tahj Robinson was stabbed to death during a fight with another teen, police say.
Berinzon Morota, 16, was charged with murder in the attack.
Police say the two were involved in a confrontation that escalated into violence.
The investigation is ongoing.