BBC West investigations uncover reports expressing serious concerns about parts of a site where four people died.

The reports highlight a "perfect explosive mixture", "serious risk to personnel" and a smell of gas so strong, the authors claimed they could not stay in the area to complete their report.

the result being the ignition of the explosive mixture produced by the volatilisation of the spirit and its diffusion through the air. This fact does indeed tend to discourage the hope that the ...

Balangir: An employee of an ordnance factory at Badmal in Balangir district sustained burn injuries on Wednesday after an explosive mixture suddenly caught fire in the facility's production unit ...

Early indications suggest blast in Asturias region was caused by firedamp, a term referring to methane forming an explosive mixture in mines Five people died and four were seriously injured in an ...