Barack Obama joins elite club of American Presidents who have been re-elected to the White House twice. The list includes - George Washington, Bill Clinton and George W Bush.
After his victory, Obama thanked his supporters and tweeted, "We're all in this together. That's how we campaigned, and that's who we are. Thank you. -bo."
Barack Obama won. He is re-elected as US Presidential for a second term.
Barack Obama leads with 256 and Mitt Romney with 191 electoral votes. 271 electoral votes are required to win.
Barack Obama camp has already started their celebration in Chicago as it seems that Mitt Romney's prayers have fallen in deaf ears. Romney earlier had tweeted, "With your help, we will turn our country around and get America back on the path to prosperity. Please vote today."
US presidential election results so far - Barack Obama wins 244 electoral votes, Mitt Romney 203 votes.
The bell is ringing. The final results of US presidential elections 2012 are expected to be declared at any time. CNN has called California, Hawaii and Washington for Obama.
Despite initial differences in opinion, now CNN too has called Minnesota for Obama, Arizona for Romney. Now all eyes are on Florida, Ohio and California.
ABC News calls Wisconsin for Obama. Wisconsin is Paul Ryan's state.
Mitt Romney leads with 51 per cent of the votes in Wisconsin, says CNN projection.
Barack Obama's wife Michelle Obama tweeted, "More than anything, I want to thank you all for everything. I am so grateful to every one of you for your support and your prayers."
AP reports that Mitt Romney has won Arizona (11). Around 31 per cent of the votes have been counted in Iowa (6) where Barack Obama maintains a comfortable lead.
Today is the crucial day for both Barack Obama and Mitt Romney. Barack Obama is leading in two key battleground states - Florida (29) and Ohio (18).