Reuters: Visitors and some residents were evacuated from low-lying holiday islands off the North Carolina coast yesterday as Hurricane Earl bore down on the US eastern seaboard, churning up dangerous swells. Earl, still a major (Category 3) hurricane, weakened slightly overnight as it swept across the Atlantic east of the Bahamas. It was on track to approach North Carolina’s coast early tomorrow, the US National Hurricane Centre (NHC) said. The second major hurricane of the season was …