Voter Charles Golden signs in with election official Gary DeRudder in Pueblo County Precinct 111 at the Boone Volunteer Fire Department on November 6, 2012 in Boone, Colorado. AFP
WASHINGTON – Polls closed Tuesday in more than a dozen US states including heavily contested Colorado and Wisconsin, where networks said the race was tight between President Barack Obama and rival Mitt Romney.
Wisconsin has not voted for a Republican for president since Ronald Reagan in 1984 but Romney picked his running mate, Paul Ryan, from the Midwestern state. Colorado went for Obama in 2008 but polls have shown a tight race.
Polls also closed at 0200 GMT in Michigan, where Romney was born and raised and which networks called for Obama, along with Arizona, Kansas, Louisiana, Minnesota, Nebraska, New Mexico, New York, South Dakota, Texas and Wyoming.