BBC
1968: Student riots threaten Mexico OlympicsMore than 25 people have been killed during a vicious gun battle in Mexico City just days before the Olympic Games are due to begin.
Thousands of students had gathered for a meeting organised by the National Strike Council in La Plaza de las Tres Culturas in Tlatelolco to protest against the military occupation of the National Polytechnic Institute.
The protesters, many of whom were women and children, had been planning to march through a working-class suburb of the city, but by early evening military personnel in armoured vehicles had surrounded the square.
The Mexican government say "agitator groups" among the students began shooting at the crowds from buildings, which resulted in a
90-minute gun fight.
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The death-toll still remains uncertain. Some say it runs into thousands although it is thought to be between 200 and 300. Eye-witnesses say bodies were removed from the scene throughout the night of 2 October {as part of a cover-up operation} in dustbin lorries.
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more:
http://news.bbc.co.uk/onthisday/hi/dates/stories/october/2/newsid_3548000/3548680.stmOh, BTW, the CIA was involved in this, too. *SIGH*