Officials say about 25 acres were damaged in the 1200 block of Crown Point Road.
[Ads /]
Authorities tell Action News the plant is not threatened and no one was evacuated.
The fire was brought under control around 6 a.m., officials say.
The flames cast an eerie, orange glow Friday night that could be seen miles away in Philadelphia from our Sky 6 camera located in the city's Society Hill section.
No injuries were reported.