Utah Code Ann. § 76-6-108
(1) As used in this section:
(b) "Emergency aid" means aid or assistance, including law enforcement, fire, or medical services, commonly summoned by persons concerned with imminent or actual:
(2) A person is guilty of damage to or interruption of a communication device if the actor attempts to prohibit or interrupt, or prohibits or interrupts, another person's use of a communication device when the other person is attempting to summon emergency aid or has communicated a desire to summon emergency aid, and in the process the actor: