US election results: Barack Obama re-elected President of The United States of America
President Barack Obama rolled to re-election and a second term in the White House on Tuesday with a clear victory over Republican challenger Mitt Romney as the Democrat overcame deep doubts about his handling of the US economy.
Romney called Obama to concede after the president's victories in the crucial state of Ohio and heavily contested swing states of Virginia, Nevada, Iowa and Colorado carried the Democrat past the 270 electoral votes needed for victory.
This is a time of great challenge for our nation, Romney told disappointed supporters gathered at a Boston convention center. I pray that the president will be successful in guiding our nation.
He warned against partisan bickering and urged politicians on both sides to put the people before the politics.
Obama, America's first black president, won by convincing voters to stick with him as he tries to reignite strong economic growth and recover from the worst recession since the Great Depression of the 1930s. An uneven recovery has been showing some signs of strength but the country's 7.9 percent jobless rate remains stubbornly high.
Obama's victory in the hotly contested swing state of Ohio – as projected by TV networks – was a major step in the fight for the 270 electoral votes needed to clinch the White House and ended Romney's hopes of pulling off a string of swing-state upsets.
Obama scored narrow wins in Ohio, Wisconsin, Iowa, Pennsylvania and New Hampshire - all states that Romney had contested - while the only swing state captured by Romney was North Carolina, according to television network projections.
The nationwide popular vote remained extremely close.
Romney delayed his concession as some Republicans questioned whether Obama had in fact won Ohio despite the decisions by election experts at all the major TV networks to declare it for the president.