A person is guilty of obstructing firefighting operations when he or she intentionally and unreasonably obstructs the efforts of any:

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.