Residents flee as Gulf Coast sees possible tandem hurricanes

The Gulf Coast braced Sunday for a potentially devastating hit from twin hurricanes as two strong storms swirled toward the U.S from the Gulf of Mexico and the Caribbean.A storm dubbed Marco grew into a hurricane Sundayas it churned up the Gulf of Mexico toward Louisiana.Another potential hurricane, Tropical Storm Laura, lashed the Dominican Republic and Haiti, and was tracking toward the same region of the U.S. coast, carrying the risk of growing into a far more powerful storm.