Romney: Arkansas, Mississippi, Kentucky, Oklahoma, Alabama, Tennessee, Indiana, West Virginia, South Carolina, Georgia, Kansas, Louisiana, Texas, Wyoming, North Dakota, South Dakota, Nebraska, Utah, Montana, Missouri, Arizona
Obama: Connecticut, Delaware, Washington DC, Illinois, Maine, Massachusetts, Maryland, Vermont, Rhode Island, New York, Michigan, New Mexico, Pennsylvania, New York, New Jersey, Wisconsin, New Hampshire
The Democratic-favouring west coast states have yet to be called.
More top news
Staying mild overnight with a sunny start forecast for most of the UK.
Scientists claim bubbling magma is behind the 'man in the moon' image rather than an asteroid strike
Our Political Editor Tom Bradby has been tackling readers' questions about David Cameron's conference speech.