Explosion at New Madrid County, MO plant being investigated
The U.S. Department of Labor's Occupational Safety and Health Administration says they suspect the explosion at the Noranda Aluminum plant started when molten aluminum hit water.
The plant is in New Madrid County, Missouri.
Noranda says the incident is being investigated as a molten metal explosion. No official cause has been determined yet.
Thirty-three people were hurt. Most of them are suffering from ringing in the ears and throat irritation. No one was killed in the explosion.