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
Seasonal rains have battered the country since late June with more than 150,000 people affected by floods and landslides.
The bus reportedly hit a tree near Russell Square.
Low pressure will throw cloud and few showers across the UK today, but it will also draw in very warm air from Europe again.