A person takes part in a protest in support of the National Electoral Institute (INE) and against President Andres Manuel Lopez Obrador's plan to reform the electoral authority.
Demostrators came out in large numbers to oppose reforms.
Organisers of the protest said that over 500,000 people had taken to streets for the protests.
Mexico Andres Manuel Lopez Obrador is claiming that the overhauls would not weaken democracy in the country.
The current popular mood of the public doesn't indicate that citizens are likely to believe the president.