ROCK VALLEY—A 28-year-old Doon man was arrested Tuesday, Oct. 12, on a charge of child endangerment committed by a sex offender.

The arrest of Leonard Michael Doiel stemmed from him being observed taking care of an 8-year-old boy who was not his son, according to the Rock Valley Police Department.

Doiel is registered sex offender, having been convicted to assault with intent to commit sexual abuse with a minor in Lyon County in 2011.