At 1014 hours on Monday, December 13th Rehoboth Center was notified by a passing Dewey Beach Police Officer of a working structure fire on Coastal Highway in the area of Anna B Street. Units from Station 86, Station 82, Station 70, and Sussex Paramedics were quickly dispatched. Responding units found the upper appartment of the building well involved with reports of a subject possibly still in the residence. The fire is currently under investigation by the Delaware State Fire Marshall's Office.