The US National Hurricane Center has said that Hurricane Arthur was upgraded to a Category 2 storm with maximum sustained winds at 100 miles per hour (160 kilometres per hour).
Arthur was fast approaching the coastline of North Carolina and expected to make landfall late Thursday or early Friday morning, forecasters said as weather conditions deteriorated in the Outer Banks, where vacationers were forced to evacuate on the eve of the July 4 holiday.
More top news
Britain is among the least devolved countries in the world, figures from the RSA show.
Alex Salmond announced he will stand down as Scotland's First Minister and SNP leader after voters rejected independence in the referendum.
Prince Harry has lifted five-year-old girl onto his shoulder after he spotted her in tears at the Invictus Games.