Magnesium Plant Fire in West Pittsburg, Pennsylvania

A firefighter walks away from a fire at the Remacor Inc. complex on Route 168 in West Pittsburg, Pa., Saturday, Aug. 6, 2005.

Fire crews will allow a blaze at a magnesium processing plant to burn itself out over the next several days, a fire chief said.

Several barrels of magnesium exploded inside a warehouse and the fire spread to at least three other smaller buildings Saturday afternoon.

No one was injured.