Decades-old picric acid was found at a Berkeley home, prompting evacuations and a shelter-in-place order on Monday. Fire and police officials said the amount of picric acid found had the explosive ...

The Massachusetts State Police bomb squad was called to a Sudbury home on Wednesday after a potentially explosive acid was discovered inside the home, according to the Department of Fire Services.

An "explosive substance" that resulted in the evacuation of part of a Christchurch suburb was a jar of crystallized picric acid, the Defence Force says. Police sent an emergency mobile alert and put ...