Holly Schuler enters a polling place at dusk to cast her ballot in Zearing, Iowa. Picture: Getty Images/AFP

Electoral workers inspect a ballot during the vote-by-mail ballot scanning process at the Miami-Dade County Election Department in Miami, Florida. Picture: AFP

A sign outside a church in Swansea, South Carolina. Picture: Getty Images/AFP

First-time voter Alex Jimenez uses a voting machine to cast his ballot in Columbia, South Carolina. Picture: Getty Images/AFP

People arrive to cast their ballot in the Leimert Park neighborhood of Los Angeles, California. Picture: AFP

President Donald Trump supporter Marisol Fernandez waves her Trump 2020 flags in Tampa, Florida. Picture: Getty Images/AFP

Paperwork for sorting vote-by-mail ballots at the Miami-Dade County Election Department in Miami, Florida. Picture: AFP

Electoral workers at the Miami-Dade County Election Department in Miami, Florida. Picture: AFP

Election worker Chuck Klein takes ballots from a sorting machine at the King County Elections office in Renton, Washington. Picture: AFP

John Moran, wearing a mask with a message, casts a ballot in San Francisco, California. Picture: Getty Images/AFP

President Donald Trump visits his campaign headquarters in Arlington, Virginia, on November 3. Picture: AFP

First-time voter Brandon Smith of Seattle waits in line on election day in Renton, Washington. Picture: AFP

President Trump supporter Martha Testa waves at voters in Tampa, Florida. Picture: Getty Images/AFP

Democratic presidential candidate Joe Biden speaks at the carpenters union in Scranton, Pennsylvania on November 3. Picture: AFP

A sign projecting 90 per cent returned ballots is pictured as election worker Esther Tuesta-Murray opens ballots at the King County Elections office in Renton, Washington. Picture: AFP

Amanda and Danielle Franco wait to vote by express curbside voting at the El Paso County Coliseum, in El Paso, Texas. Picture: AFP

Thin Blue Line and Trump flags wave in the air across from a United States Border Patrol checkpoint at the Desert Haven Fire Rescue polling location east of El Paso in rural Hudspeth County, Texas. Picture: AFP

Restaurants and shops in downtown Denver, Colorado are boarded up in preparation for election night unrest. Picture: AFP

R.D. Locklear grabs a ballot for a provisional voter in Lumberton, North Carolina. Picture: Getty Images/AFP

A voter marks her ballot at Bloomfield United Methodist Church in Des Moines, Iowa.Picture: Getty Images/AFP

Election judges verify and count ballots at the Denver Elections Division in Denver, Colorado. Picture: AFP

Supporters cheer as Democratic presidential candidate Joe Biden speaks in Philadelphia, Pennsylvania, on November 3. Picture: AFP

A woman votes in Charleston, South Carolina. Picture: AFP

John Briggs of Black Hawk, Colorado, drops off his ballot for the US presidential election in Rollinsville, Colorado. Picture: AFP

Tom Tillotson drops a ballot into the ballot box during midnight voting in Dixville Notch, New Hampshire. Picture: AFP

Young Joe Biden supporters stand in front of a polling place in Minneapolis, Minnesota. Picture: AFP

A voter fills out their ballot at Mitchel Community Center in the Bronx borough of New York City. Picture: Getty Images/AFP

Votes are tallied during the historic midnight vote - some of the first ballots cast in the US presidential election - in Dixville Notch, New Hampshire. Picture: AFP

Voters wear face-coverings while waiting in line at the Los Angeles County Registrar in Norwalk, California. Picture: AFP