1 left with life-threatening injuries after Indiana GM plant blast hurts 4 workers

A General Motors Co. spokeswoman confirms one worker has life-threatening injuries after a chemical explosion at GM's metal-stamping plant in Indiana.

GM spokeswoman Stephanie Jentgen says "the situation is contained" and "everybody has been evacuated" from the plant in Marion, which is about 60 miles northeast of Indianapolis.

Marion Fire Department Assistant Chief Greg Yeakle tells the Marion Chronicle-Tribune that two other workers were hosed down at the scene by firefighters before being transported to Marion General Hospital. Another employee was washed down in a shower.

Yeakle says chlorine dioxide was involved in the explosion Tuesday afternoon.

GM spokesman Bill Grotz says an investigation is underway.

The plant employs about 1,600 workers. It provides blanks, stampings and sheet metal assembly for vehicles to GM assembly plants across North America