Firefighters were called out to a business near the Berks- Lehigh County line for a fire late Sunday afternoon.
It started about 4:30 p.m. in the 600 block of Farmington Road off 222, near Route 100 in Upper Macungie Twp.
Both Topton and Upper Macungie firefighters were called out.
Crews at the scene said a building in the back was on fire.
No one was hurt.