A mobile home fire at 5318 MacArthur Road in Laurys Station may have been started with an accelerant, according to State Police at Bethlehem.
Police said an Allentown Fire Department dog detected an accelerant in several areas of the home.
The fire was detected by a passerby at about 9 a.m. Saturday.
The investigation is continuing.
Police request that anyone who may have information about the fire to please contact the State Police Fire Marshal unit at Bethlehem, at 610-861-2026 or at Dublin.