The US state of Florida is holding its Republican primary, with polls indicating that Mitt Romney has a considerable lead over his closest rival Newt Gingrich.
Registered Republicans are deciding which of the four remaining contenders should run against Barack Obama in the November election.
Rick Santorum and Ron Paul are concentrating their efforts on other states that vote in the coming weeks.
Al Jazeera's Andy Gallacher reports from a polling station in Tampa, Florida.
Source: Al Jazeera