Mexico City - Mexico City Mayor Marcelo Ebrard launched Thursday the commemoration of the 40th anniversary of the Tlatelolco Massacre by setting the Mexican flag at half-mast on the site of the violent repression of students in 1968.

During the ceremony at the Plaza de las Tres Culturas square in the Tlatelolco neighbourhood of Mexico City, people demanded that the truth about the events of October 
2, 1968 - when scores of people died in the repression of demonstrators by police and Army forces - be revealed.

Mexico City  - Mexico City Mayor Marcelo Ebrard said Tuesday that he has