Three Dead, Sixteen Injured in Düsseldorf Residential Building Explosion and Fire

Authorities investigate cause of early-morning blaze that shattered windows and trapped residents on balconies.

Explosion originated in ground-floor shop, quickly spreading through the building.
Over 100 emergency personnel responded, rescuing trapped residents and extinguishing flames.
Three fatalities confirmed; two victims found in stairwell, one in his apartment.
Sixteen people hospitalized, two with critical injuries.
Structural engineers clear site for fire experts to determine cause.