A person is guilty of falsely reporting an incident in the first degree when he:

1. commits the crime of falsely reporting an incident in the second degree as defined in section 240.55 of this article, and has previously been convicted of that crime; or

2. commits the crime of falsely reporting an incident in the third degree as defined in subdivisions one and two of section 240.50 of this article or falsely reporting an incident in the second degree as defined in subdivisions one and two of section 240.55 of this article and another person who is an employee or member of any official or quasi-official agency having the function of dealing with emergencies involving danger to life or property; or who is a volunteer firefighter with a fire department, fire company, or any unit thereof as defined in the volunteer firefighters' benefit law; or who is a volunteer ambulance worker with a volunteer ambulance corporation or any unit thereof as defined in the volunteer ambulance workers' benefit law suffers serious physical injury or is killed in the performance of his or her official duties in traveling to or working at or returning to a firehouse, police station, quarters or other base facility from the location identified in such report; or

3. commits the crime of falsely reporting an incident in the third degree as defined in subdivisions one and two of section 240.50 of this article or falsely reporting an incident in the second degree as defined in subdivisions one and two of section 240.55 of this article and another person suffers serious physical injury or is killed as a result of any vehicular or other accident involving any emergency vehicle which is responding to, operating at, or returning from the location identified in such report.

4. An emergency vehicle as referred to in subdivision three of this section shall include any vehicle operated by any employee or member of any official or quasi-official agency having the function of dealing with emergencies involving danger to life or property and shall include, but not necessarily be limited to, an emergency vehicle which is operated by a volunteer firefighter with a fire department, fire company, or any unit thereof as defined in the volunteer firefighters' benefit law; or by a volunteer ambulance worker with a volunteer ambulance corporation, or any unit thereof as defined in the volunteer ambulance workers' benefit law.

5. Knowing the information reported, conveyed or circulated to be false or baseless and under circumstances in which it is likely public alarm or inconvenience will result, he or she initiates or circulates a report or warning of an alleged occurrence or an impending occurrence of a fire, an explosion, or the release of a hazardous substance upon school grounds and it is likely that persons are present on said grounds.

6. Knowing the information reported, conveyed or circulated to be false or baseless and under circumstances in which it is likely public alarm or inconvenience will result, he or she initiates or circulates a report or warning of an alleged occurrence or impending occurrence of a fire, explosion or the release of a hazardous substance in or upon a sports stadium or arena, mass transportation facility, enclosed shopping mall, any public building or any public place, and it is likely that persons are present. For purposes of this subdivision, the terms "sports stadium or arena, mass transportation facility or enclosed shopping mall" shall have their natural meaning and the term "public building" shall have the meaning set forth in section four hundred one of the executive law.

Falsely reporting an incident in the first degree is a class D felony.