美国各大电视网6日深夜公布的初步统计结果显示，现任总统、民主党候选人奥巴马在大选中击败共和党挑战者罗姆尼，成功连任已成定局。图为在华盛顿白宫前的庆祝人群。
People celebrate in front of the White House in Washington on November 6, 2012. Obama was re-elected late Tuesday, making history when he won a second term in the White House and defeated his Republican challenger Mitt Romney, networks projected. [Xinhua]