Michigan, Rhode Island, Wisconsin, Minnesota, Pennsylvania and New York have been called for Barack Obama.
John McCain has been called as the winner in Arkansas, North Dakota and Wyoming.
Senator Elizabeth Dole (R) has lost her North Carolina seat to Democrat Kay Hagan. Senator Frank Lautenberg (D) has won re-election in New Jersey. Sen. John Sununu (R) has lost his seat to Jeanne Shaheen (D) in New Hampshire.