It shall be unlawful for any person to use or threaten to use violence, force, physical interference, or obstacle or intentionally to obstruct, impair, or hinder the enforcement of the penal law or the preservation of the peace by a peace officer or judge acting under color of official authority, or a police animal assisting a peace officer acting pursuant to the peace officer's official authority.
(Neb. RS 28-906) (`77 Code, §§ 6-301, 6-302) Penalty, see § 10.99