A Red  Oak man was arrested early this (Monday) morning on drug charges. Authorities say 20-year old Henrry Abnau Monroy Fuentes was taken into custody at around 12:20-a.m. near the intersection of east Linden and north 4th Streets in Red Oak. Fuentes was charged with Possession of a Controlled Substance/Marijuana, and Possession of Drug Paraphernalia. He was being held in the Montgomery County Jail on $1,000 cash bond.