Calderon claims win in Mexico presidential poll

Mexico's conservative presidential contender, Felipe Calderon, declared himself winner in the country's bitterly-fought elections. Preliminary results from the Federal Electoral Institute (IFE) say Calderon, from the National Action Party, has a one per

With results in from 96 per cent of polling stations, Calderon says his lead is now “irreversible” because he has the advantage of almost  400,000 votes.  Results will not be verified until a final count later this week.

A Calderon win would see Mexico keep the free-market policies of outgoing president Vicente Fox and retain its close alliance with the United States. Rival Obrador could challenge his victory, triggering political deadlock. Delay in confirming the outright winner could spark violence and upset Mexico's volatile financial markets.