President Barack Obama - 'We may have battled fiercely, but it's only because we love this country deeply and we care so strongly about its future'
President Obama arrives to a rapturous reception in Chicago
President Obama tweeted this picture on his account along with the words 'Four more years'
Ecstatic Obama supporters celebrate in Chicago
Joe Biden and his wife Jill, congratulate President Obama and his wife Michelle
Supporters listen to US President Barack Obama's acceptance speech
Mitt Romney supporters were still positive a few hours into the count
US embassy in Beijing organised an election results event, where people could try out a mock polling station
Rep Todd Akin, who made the headlines with controversial comments on rape, casts his vote in Wildwood, Missouri
The stage at the Boston Convention & Exhibition Center ahead of Mitt Romney's concession speech
Brad Walker, 36, a first-time voter, puts his sticker on his nose after casting his ballot in Youngstown, Ohio.
Disappointed Romney supporters wait for their candidate's concession speech in Boston
Delighted Obama supporters celebrate outside the White House in Washington
Mitt Romney tells supporters 'this is a time of great challenges for America and I pray that the president will be successful in guiding our nation'
President Obama and Vice-President Joe Biden along with their wives and families take to the stage in Chicago
Mitt Romney and his running mate Paul Ryan with their wives Ann and Janna console each other at the Boston Convention Center
Supporters of Mitt Romney - Heidi Bischoff (L) and Paul Cimolini react after hearing that President Barack Obama has been re-elected
President Obama, wife Michelle and daughters Malia and Sasha walk onto the stage in Chicago
A US consulate staff member marks a US map in Republican and Democrat colours at an election party in Mumbai
Vice-President Joe Biden congratulates Barack Obama following his acceptance speech in Chicago
People celebrate in Times Square as it is announced that President Obama has been re-elected
A South Korean woman carries a picture of Mitt Romney after an election watch event in Seoul
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