Philadelphia Police were on scene of a reported pipe bomb finding in Oxford Circle.
The incident was reported early Thursday morning by a female inside a residence on the 6100 block of Shisler St.
There were a total of six pipe bombs inside a box in the woman's basement, one was nearly ready to explode.
15 nearby homes were evacuated, while hundreds of students at a school were instructed to stay inside.
Police have put out the explosive device with The Philadelphia Bomb Squad. No injuries have been reported from the scene.
"Now we have to do a complete and thorough search of the property from top to bottom to make sure that there is nothing else here," Chief John Sullivan of Homeland Security said.
Neighbors were on edge as crews worked to get rid of the devices.
I want to know who is doing this and what you're going to do about it" Patsy Patterson said, "I'm ready to move.
ATF Agents announced an arrest of a 36- year- old Michael Beer in Northampton County.
Authorities say they believe the threat is over.
Winter Storm Warnings are now in effect for where the heaviest snow has set up. They include Philadelphia, Delaware, New Castle, Camden, Gloucester, Burlington, Cumberland and E. Chester Counties. Warnings in effect till midnight.
The heaviest snow will drop 4-6" from Wilmington through Philly to Trenton. The highest amounts will be New Castle Co through interior south Jersey, 6-8+" possible.
Snow tapers off after 6pm this evening. An icy rain later tonight.