A Michigan State Police investigator says he's never seen anything like the disaster last week near Galesburg, and hopes he never sees another one like it again.

State Police say clean-up of an acid spill during the incident is the biggest obstacle to re-opening the freeway.

Among the vehicles involved as a semi hauling fireworks that caught fire an exploded, closing the freeway for hours Friday near Galesburg.

Officials say a semi involved in the incident was carrying fireworks that caught fire and exploded, closing the freeway for several hours in both directions Friday near Galesburg.

Fire departments were on scene shortly after 5:00 Tuesday morning