(a) A civil emergency means:
(1) A riot or unlawful assembly characterized by the use of actual force or violence or a threat to use force if accompanied by immediate power to execute by two (2) or more persons acting together without authority of law.
(2) Any man made calamity within the Village resulting in the death or injury of persons or the destruction of property to such an extent that extraordinary measures must be taken to protect the public health, safety and welfare.
(b) Curfew means a prohibition against a person walking, running, standing or motoring upon an alley, street, highway, public property or vacant premises within the Village, excepting persons officially designated to duty relating to the civil emergency and those persons who are in public places by reason of their employment or a private emergency involving health, safety or protection of property.