Authorities are investigating a Wednesday night fire at a commercial building on Cedar Avenue.
The Middlesex Borough Fire Department responded around 10:21 p.m. Wednesday to 344 Cedar Ave. on reports of a fire, authorities said. Upon arrival, firefighters found a machine on fire with flammable liquids spread outside and inside the building, authorities said.
The fire was at Spray-Tek, a company that provides spray-drying services to businesses, authorities said.
Firefighters worked to extinguish the fire in two hours, authorities said.
There were no injuries, and the cause of the fire is currently under investigation.