Police spokesman Paul Browne and a city Education Department spokeswoman declined to discuss specifics Thursday, saying the incident was under investigation.
Vasquez says she and a baby sitter raced to the school after a guidance counselor called her to say Dennis was being taken to the hospital. The baby sitter says she found the 68-pound boy in handcuffs.
Vasquez said the hospital evaluated and released the boy, now in private school.
