A building is destroyed in an explosion at Northrop Grumman's rocket test site

This photograph provided by the Box Elder County Sheriff's Office shows the wreckage from an detonation astatine Northrop Grumman's distant rocket investigating tract connected Wednesday, April 16, 2025, successful Promontory, Utah. (Box Elder County Sheriff's Office via AP)

AP

PROMONTORY, Utah (AP) — An detonation astatine Northrop Grumman’s distant rocket investigating tract successful bluish Utah destroyed a gathering Wednesday.

Officers recovered nary injuries oregon fatalities successful their archetypal probe of the wreckage, according to the Box Elder County Sheriff's Office.

Emergency crews had responded to reports of a large blast and a acheronian plume of fume rising implicit the rangelands astatine 7:38 a.m.

It was not instantly wide which gathering was destroyed and what its intent was. The aerospace and defence institution maintains a ample beingness successful Utah, wherever it manufactures and tests coagulated rocket motors.

Northrop Grumman did not instantly merchandise a statement.

The nationalist is advised to debar the country arsenic officials proceed to investigate.