United States Steel Coke Oven Explosion Injures 20 Workers
The Associated Press reported that an explosion of a coke oven at a plant in Pittsburg injured 20 people, at least six critically. The explosion happened during maintenance on the B “battery” (bank) of the ovens.
For more info, see:
http://www.chron.com/disp/story.mpl/nation/7109029.html