US midterms: election night

Denver: Republican congressman Ed Perlmutter does a cartwheel at a party after his re-election Photograph: Chris Schneider/AP

Delaware: Senate candidate Christine O'Donnell, a favorite among the Tea Party movement, is kissed by her brother Dan after she delivered her concession speech Photograph: Jason Reed/Reuters

California: A supporter holds up a bumper sticker at the California Republican party election night party Photograph: Phil Mccarten/Reuters

Las Vegas: A supporter prays at the Nevada Republican party's election night get-together Photograph: Robyn Beck/AFP/Getty Images

Washington: Democratic house speaker, Nancy Pelosi, speaks to supporters in the US capital Photograph: Alex Brandon/AP

Nevada: A worker prepares the stage before the start of the Washoe County Republican election night party Photograph: John Locher/EPA

Texas: Dudley Winn talks his phone during an election night party for Republican Senate candidate Sharron Angle, who failed to beat majority leader Harry Reid Photograph: Julie Jacobson/AP

Los Angeles: Senator Barbara Boxer attends a Democrats election after-party. She was declared the winner against the Republican senatorial candidate and former Hewlett-Packard CEO Carly Fiorina Photograph: Eric Thayer/Getty Images

Los Angeles: A supporter of Barbara Boxerholds holds a sign Photograph: Eric Thayer/Getty Images

Oakland, California: Governor-elect Jerry Brown speaks to supporters as he celebrates his win. Brown defeated Republican challenger and former eBay CEO Meg Whitman Photograph: Justin Sullivan/Getty Images

Ohio: Governor-elect John Kasich celebrates a victory during the Ohio Republican party celebration Photograph: Tony Dejak/AP

Las Vegas: A supporter of the Republican Senate candidate Sharron Angle wears a hat with an anti-Harry Reid badge Photograph: Julie Jacobson/AP

Florida: Republican senatorial nominee Marco Rubio holds hands with his daughter, Amanda, as his son, Anthony, holds covers his ears while the crowd cheers during a 'Reclaim America Victory Celebration' Photograph: Joe Raedle/Getty Images

Wheeling, Illinois: Republican Senator-elect Mark Kirk celebrates his election win over Democratic challenger Alexi Giannoulias Photograph: Tannen Maury/EPA

Buffalo, New York: Republican candidate Carl Paladino holds a baseball bat as he concedes the election Photograph: David Duprey/AP

Phoenix: Senator John McCain speaks to the crowd as his wife, Cindy, and daughters Meghan and Bridget clap during an Arizona Republican party election night event Photograph: Laura Segall/Getty Images

New York: Campaign posters cover the floor of the Metropolitan Ballroom at the Sheraton hotel. New York governor-elect Andrew Cuomo resoundingly defeated his Tea Party-backed opponent and Republican candidate, Carl Paladino Photograph: Michael Nagle/Getty Images