First, there were reports of explosions Monday night at the SPS Technologies factory in Abington. Then, a four-alarm fire and plumes of smoke that drifted across the neighborhood well into Tuesday morning,

A massive fire raging in an industrial complex north of Philadelphia prompted evacuations, school closures and shelter-in-place orders Tuesday.

Firefighters were called to SPS Technologies, a supplier for aerospace fasteners and fittings, late Monday night.