Around 0500 hours Dauphin Box 39-1 sent companies to 751 Manada Bottom Road for a structure fire in Grantville's first due. Command officer went on location with a 2.5 story, single family dwelling well involved requesting the box be filled. At this time it was unknown if there were any occupants inside. Command 39 quickly upgraded to a second alarm as heavy fire vented through the roof. First arriving companies were hampered by an aggressive dog and PSP were summoned to put the animal down. Several lines were stretched and members were able to make an interior attack. The bulk fo the fire was knocked down in about 20 minutes and declared under control in an hour. Companies remained on the scene for an extended period of time performing overhaul. The occupants were not at home when the fire broke out.