Mexicans are voting in a keenly-fought presidential election to choose a successor to Vicente Fox. Leftist Andres Manuel Lopez Obrador and conservative Felipe Calderon are seen as frontrunners in a very tight race.
The lengthy campaign has been marked by bitterly-traded political insults and accompanied by a rise in drug violence.
More than 70 million are eligible to vote, with the leading candidates offering alternative visions of how to create jobs and boost the economy.
Among those eligible are thousands of Mexicans living across the border in the US, after a decision to allow Mexicans living abroad to vote for the first time.
Elections for Congress are also being held.
No one party is expected to win a majority, so the new president is set to face the same legislative stalemates as Mr Fox has done during his six-year term.
Voting ends at 2000 local time (0100 GMT on Monday), with an initial result expected within hours if a clear winner emerges.
Yes Klitschko - are you so one dimensional? Not looking good for you then, becoz if FTA gets more complicated, you'll probably be too stupid to follow the developments.