At least seven people were injured after an explosion and fire at the Colonial Pipeline gasoline company in Shelby Alabama on Monday.<br />Gigantic plumes of smoke and fireballs could be seen in the air.<br />Local government officials said a nine-person crew had been conducting maintenance work on the pipeline at the time of the explosion.<br />The company shut down its main gasoline and distillates pipelines as a result... the second time in two months that it's had to close the crucial supply line which serves the U.S. East Coast.
