Voters fill out their ballots in a gym on election day at St. Sophia Greek Orthodox Church in Albany, N.Y. New Yorkers will decided whether to send back Gov. Andrew Cuomo for a second term.

Voters cast their ballots at MetraPark in Billings, Mont.

A woman assists her mother filling out her ballot in a church polling place on Election Day in Lancaster, Pa.

A voters fill out his ballot in a church on election day Tuesday in Lancaster, Pa. Republican Gov. Tom Corbett faces a re-election challenge from Democrat Tom Wolf.

A voter casts her vote in a voting booth in Thornton, Colo.

A local resident marks her ballot at Michael J. Manatt Community Center in Brooklyn, Iowa. Voters in Iowa will choose a new U.S. senator and decide races for governor, the U.S. House and legislative positions.

Adams County, Colorado, voters casts their vote at a polling place in the Thornton Recreation Center.

A father votes with his young son during the midterm elections at a polling place in an American Legion hall in Annapolis, Md.

Anna Sorros watches as her grandmother Sharon Hall fills out her ballot at the Stuyvesant Town Hall on Tuesday in Stuyvesant, N.Y. New Yorkers will decide if they want to send back Gov. Andrew Cuomo for a second term. If Cuomo wins he will be the first Democratic governor since his father, Mario Cuomo, to win re-election.