Hurricane Isaac flooded a coastal highway in the town of Gulfport, Mississippi. The slow pace of the storm is increasing the risk of further floods.
A dusk-to-dawn curfew is in force in New Orleans tonight after Hurricane Isaac brought flooding and stranded dozens of people.
With mean winds of 80mph and higher gusts, flooding is the biggest threat as Hurricane Isaac pushes up through Louisiana.
New Orleans has been left with localised flooding and 70% of people are without power as Hurricane Isaac passes up Louisiana.