Bethel Police have arrested a town resident on charges of sexual assault and risk of injury to a minor.  Police say 45-year old Santos Cardona was taken into custody at the Best Western hotel early Saturday morning.  Police said in a statement that the arrest warrant was the result of an investigation where an 8-year old female disclosed to a parent that she had been molested while at Cardona's residence.  While investigating, Police also identified a 6-year old femal victim, who disclosed that she had been molested by Cardona.  He was held on bond.