LOS ANGELES (CBS) — A Los Angeles City firefighter who moonlights as a mixed martial arts fighter was arrested Tuesday by District Attorney’s investigators on suspicion of filing false workers’ compensation insurance claims.

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Raphael Davis, 35, was arrested at his Lomita home at about 9 a.m. without incident and is being held on $30,000 bail.

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Investigators say that while he filed false claims, Davis was participating in mixed martial arts fights as “The Noodle.”

Prosecutors filed four counts of insurance fraud against Davis, who filed for workers’ compensation insurance between Dec. 2, 2008 and May 20, 2011, according to Head Deputy John Morris with the district attorney’s healthcare fraud division.

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If Davis is convicted as charged, he faces up to five years in county jail.