SIOUX CITY, Iowa (AP) — Woodbury County officials say a county supervisor sentenced to 30 days in jail for domestic assault has said he will resign his position. Sioux City television station KTIV reports f ) that 44-year-old David Tripp told the chairman of the Woodbury County Board he will resign. Tripp’s promise came Friday, on the same day Tripp was scheduled to turn himself in to the Monona County Jail to serve his sentence.

Tripp, a former jailer, was charged after firing a gun into the air outside his home in December near his wife, who was not hurt. His attorney has said Tripp is being treated for alcohol abuse and is seeing a psychiatrist after being diagnosed with depression.

Tripp was elected in 2010. His term was set to end in January.