According to NBC Barack Obama is the projected winner in Nevada.
The only state that has not yet been projected is Florida.
More top news
Life-changing gene therapy for cystic fibrosis sufferers could be available in the next five years following a landmark trial.
A report warns UK has a 'mountain to climb' in reducing preventable hospital admissions and improving survival rates for common diseases.
After the thundery activity overnight, clears skies follow leading to a sunny, humid day. Then more thundery outbreaks to come.