Eastern coasts are warned of ‘catastrophic’ impacts as 200mph winds and a near 10-metre storm surge unleash the worst ...

on the 16th anniversary of Hurricane Katrina. All pictures are subject to copyright. An in-depth look at the polls and what they can and can’t tell us about who will win the White House.

Hurricane Katrina, for example, was far more devastating in terms of loss of life and infrastructure when it made landfall near New Orleans in 2005, but it was a Category 3 when it did.