Three-year-old Christopher Rembert watches his mother, Emetta, vote electronically at Kettering in Upper Marlboro, Maryland. Photograph: Matt Houston/AP
Amy Nichols carries her son Eliot in a blanket as she shows her ID before voting in Chattanooga, Tennessee. Photograph: Dave Martin/AP
New York's attorney general, Eliot Spitzer, the Democratic candidate for governor of the city, is surrounded by the media after voting. Photograph: Henny Ray Abrams/AP
Hillary and Bill Clinton greet commuters at the Parkchester subway station in the Bronx. Photograph: Henny Ray Abrams/AP
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Voters at the Hilton Head School for the Creative Arts, South Carolina. Photograph: Henny Ray Abrams/AP
Voters arrive at the Islamic cultural centre in Tempe, Arizona, to cast their ballots. Photograph: Matt York/AP
Staunch Republican voter Cecelia Daniels sits under a display of children's artwork after casting her ballot at the Grandview Church of God in Suck Creek, Tennessee. Photograph: Dave Martin/AP
A queue of voters snakes through the lobby at the Wellington E Webb municipal office building in Denver, Colorado. Photograph: Khalid Mohammed/AP
