Supporters of Mexico's Leftist Candidate Obrador Take to Streets

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More than 100,000 defiant supporters of leftist presidential candidate Andres Manuel Lopez Obrador massed Saturday in a bid to overturn his narrow election defeat with protests that threatened to widen Mexico's regional and class divisions.

Lopez Obrador told the huge crowd he would present allegations of fraud to the nation's electoral court Monday and request that every one of more than 41 million votes be recounted, to expose what he called wrongdoing that cost him the election.

CountryWatch: Mexico

"We are going to ask that they clean up the elections. We are going to ask that they count all the votes — vote-by-vote, poll-by-poll," Lopez Obrador said to wide applause.

The show of defiance suggested just how difficult it will be for apparent victor Felipe Calderon to unify Mexicans, many of whom believe the nation has yet to overcome decades of institutional corruption and fraud.

European Union election observers have said they had found no major irregularities.

But the ruling party's Calderon can't be declared president-elect until the electoral court weighs allegations of fraud or unfair campaign practices. It has until Sept. 6 to declare a winner.

Election officials say Calderon beat Lopez Obrador by less than 244,000 votes out of a total of 41 million ballots — or a margin of about 0.6 percent.

Most of Lopez Obrador's supporters come from poor southern states while conservative Felipe Calderon's strength is in Mexico's industrialized north.

"We are never going to recognize this man (Calderon)," said Apolinario Fernandez, 37, a teacher from Lopez Obrador's home state of Tabasco in the southeast. "If he wants, let him govern in the north for the rich, but not in the south."

Fernandez traveled all night to the demonstration in Mexico City's famed Zocalo plaza, where more than 100,000 people in the square waved banners with slogans denouncing the alleged fraud.

Calderon, who says the vote was clean, has already declared himself the winner and has received congratulatory phone calls from President Bush, Canadian Prime Minister Stephen Harper, Spanish Prime Minister Jose Luis Rodriguez Zapatero and Colombian President Alvaro Uribe.

But Lopez Obrador's supporters remained unconvinced.

"We are ready to do whatever is necessary," said Belasario Cruz, 32, a farmer from Tabasco. "We are tired of the rich having everything and the poor having nothing."

There were smaller demonstrations planned in cities including Tijuana on the U.S. border and San Cristobal de las Casas in the south.

Lopez Obrador, a former Mexico City mayor, has asked protesters to be peaceful and law-abiding, but also said the government would be responsible for any flare-up of anger because officials had rejected his demand for a manual recount.

There were no immediate reports of arrests or violence.

But the U.S. Embassy in Mexico City urged U.S. citizens "to avoid downtown Mexico City and surrounding areas" during the protest, noting that "even demonstrations intended to be peaceful can turn confrontational and escalate into violence."

In a meeting with foreign correspondents, Lopez Obrador said there were more irregularities in the balloting than under the Institutional Revolutionary Party, or PRI, which ruled Mexico until it was ousted by President Vicente Fox in 2000.

Calderon belongs to Fox's conservative National Action Party

"The National Action Party learned from the fraudulent practices of the PRI and it exceeded them," Lopez Obrador said.

Lopez Obrador's millions of extremely devoted followers religiously follow his message of helping the poor and downtrodden.

He has in the past headed protests that turned disruptive or violent.

In 1996, he led farmers and fishermen in sometimes-violent takeovers of state-owned oil wells to demand compensation for damages from an oil spill.

Last year, as Mexico City mayor, he led huge street protests that forced Fox to fire his attorney general and drop a legal case that would have kept Lopez Obrador out of the presidential race.

These days, Lopez Obrador must walk a tightrope. If he appears too radical, he risks hurting his party and its chances in the next presidential elections in 2012. If he appears too moderate, he risks disappointing his core supporters.

"His political stock would increase greatly for 2012" if he finds a way to concede defeat gracefully, political analyst Oscar Aguilar said.

Lopez Obrador says he will challenge the result in electoral tribunals and in the Supreme Court. He claims hundreds of thousands of votes for him remain uncounted, miscounted or voided.

Electoral authorities say the law allows such a recount only where credible evidence of irregularities exist for a specific polling place.

Aguilar predicted that Lopez Obrador would never recognize Calderon's narrow electoral victory.

"He will never concede defeat," Aguilar said. "Once the election results are certified, he will open a permanent campaign of criticizing the government."