According to Frederick County Fire and Rescue a call was received at about 3:42 p.m.
It happened on 4609 Old National Pike, officials say.
So far no injuries have been reported.
The case is still under investigation.
RT @alanauglis: Areas of fog this morning will break up around 9 to 10am.
Jefferson Advances To Regionals With 4-0 Victory Over Washington http://t.co/ybClxGy3ot