Hundreds of firefighters worked to battle a massive fire at a Pennsylvania warehouse building following an explosion.

(TNND) — Crews battled a massive fire that broke out at a warehouse in Pennsylvania on Monday night, police said. The fire erupted at SPS Technologies in Abington Township, Pennsylvania. Emergency personnel responded to the scene and officials confirmed that all employees were accounted for.

Hundreds of firefighters worked to battle a massive fire at a Pennsylvania warehouse building following an explosion.

Officials say schools are closed and residents have been ordered to shelter-in-place after a large fire broke out at an aerospace manufacturer’s facility in a town north of Philadelphia

The shelter-in-place order initially was in effect until the incident was under control because smoke and particulates from the fire were filtering across the area, officials said