SIOUX FALLS, S.D. (AP) — Authorities say a second inmate has walked away from a minimum-security prison in Rapid City in the last two days. Officials at the Rapid City Community Work Center say 28-year-old Keith Apple left the facility without authorization on Saturday night. Apple is serving three years for unauthorized ingestion of a controlled substance from Pennington County.

Officials say 38-year-old Ivan Good Plume left the work center Friday night. Good Plume is serving an 18-year sentence from Pennington County for aggravated assault.