Tens of thousands of Louisiana residents have been ordered to evacuate as Tropical Storm Isaac picks up strength in the Gulf of Mexico - and it may strike seven years to the day after Hurricane Katrina devastated the same area.More than 50,000 residents of the St. Charles Parish in southeast Louisiana have been told to leave ahead of Isaac, which is currently churning in the Gulf.
Earlier in the day, Gov Bobby Jindal had also suggested that anyone in low-lying parts of the state's coastal parishes evacuate.
A hurricane warning has been issued for parts of the state east of Morgan City, which includes the New Orleans area.
Isaac is expected to be a strong Category 2 hurricane when it comes ashore late Tuesday or early Wednesday. Wednesday is the seventh anniversary of Katrina. Read More
