Any permit for a parade, motorcade, run or public assembly issued pursuant to this chapter may be summarily revoked by an official of the City when such event becomes manifestly unsafe to life, safety or the public welfare. Such a permit may be summarily revoked by a City official when the activities of the participants in the event causes harm to public or private property. Revocation of a permit under the circumstances contemplated herein shall be by a public order to disperse. [Ord. 501 § 3, 2009.]