Any precinct election official shall order the arrest of any person who behaves in a noisy, riotous, tumultuous or disorderly manner at or about the polls, so as to disturb the election, or insults or abuses the officials, or commits a breach of the peace, or violates any of the provisions of this chapter. If the person so arrested is a registered voter of the precinct which that polling place serves, and has not yet voted, the person shall be permitted to do so before being removed from the polling place.
Iowa Code § 49.105
94 Acts, ch 1169, §64