This morning at 12:12 a.m., Roanoke Fire-EMS was dispatched to the 1600 block of Rorer Ave SW for a reported structure fire. First arriving units found flames showing from the back of a vacant residence. The fire extended from the 1st to the 2nd floor on the exterior of the residence, with minimal extension to the interior, and was quickly extinguished. No injuries have been reported. Damages to the structure are estimated to be about $10,000. The cause of the fire is still under investigation