Andres Manuel Lopez Obrador and his coalition are asking the Federal Electoral Institute's electoral court to annul the presidential election.
Evidence continues to mount that the recent "victory" by conservatives in Mexico's national elections was completely fraudulent and that the country's center-left coalition should have been declared the winner.
It appears that the candidate of the formerly dominant Revolutionary Institutional Party (PRI), former Mexico state governor Enrique Peña Nieto, has won, but not by as much as he hoped.
On July 1, Mexico will hold elections for president and for the 128 seat Senate and 500 seat Chamber of Deputies.
Our town is where the Mexican Revolution began in 1906, at a time when miners there were virtually enslaved.
Lopez Obrador is again offering a sharp break from the right-wing policies.
Two weeks ago, a pipeline leak in coastal Mexico sent oil gushing into Coatzacoalcos River.
The Mexican government has lost control of the situation and turned the country into a battlefield.
Some 80 participants attended from the U.S., Mexico, Cuba, Brazil, and Uruguay.
The Mexican Electrical Workers' Union scored a victory last week when the government agreed to recognize its leadership and release frozen union funds.