A person commits this offense if he or she knowingly drives a vehicle to or close by the scene of a fire, explosion, traffic accident, riot, impending riot or other disaster in such a manner as to obstruct or impede the arrival, departure or operation of any fire truck, police vehicle, ambulance or other emergency vehicle, or if he or she willfully fails to move his or her vehicle from the scene when ordered to do so by a peace officer, firefighter or other emergency personnel who are acting under color of his or her authority in performing their duties in coping with the emergency. (Prior code 9.04.040; Ord. 1288 §1, 2008)