44-year-old Eli Ontiveros was arrested at his home back in December.
Ontiveros spoke to Action News after bailing out of the Fresno County jail.
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He said there was a disturbance at his house and police arrived shortly after to arrest him.
Thursday, the Fresno County DA's office released a statement regarding his case.
It said after careful review, the office could not prove the allegations against the mayor beyond a reasonable doubt.