An Earlville police officer was arrested at 10:34 p.m. Friday and taken to the La Salle County Jail Saturday after drug agents said he sold marijuana from his police car. Sergio J. Fuentes, 41, 1540 W. Mooseheart St., Aurora, was arrested by the Tri-County Drug Enforcement Narcotics Team on felony charges of unlawful possession of a controlled substance and official misconduct, according to a Tri-DENTpress release.