New York Consolidated Laws, Penal Law - PEN § 195.15 Obstructing firefighting operations

1. firefighter in extinguishing a fire, or prevents or dissuades another from extinguishing or helping to extinguish a fire;

2. firefighter, police officer or peace officer in performing his or her duties in circumstances involving an imminent danger created by an explosion, threat of explosion or the presence of toxic fumes or gases;  or

3. firefighter performing emergency medical care on a sick or injured person.

Obstructing firefighting operations is a class A misdemeanor.