- The US National Hurricane Center says storm surges and flooding are expected to last into the night
- Isaac is now crawling from the Gulf Coast over Louisiana
- The storm drove a wall of water nearly 11 feet high inland
- More than 9 inches of rain had fallen by 12pm UK time
- Flood protections system are holding up so far
- US Army to remain on high alert for the next 12 to 24 hours
- Power knocked out to more than 500,000 homes across southern Louisiana, most of them in New Orleans
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.