<blockquote>Thousands of riot police clashed with teachers protesting at educational reforms, dispersing the crowd with water cannon and tear gas.

Violent clashes took place to end the occupation of Mexico City's Zocalo Square, where furious teachers had set up a large protest camp for many weeks.

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via <a href="http://www.ibtimes.co.uk/articles/506034/20130914/riot-police-striking-teachers-mexico-water-cannon.htm">Mexican Riots: Riot Police Fire Tear Gas at Teacher Protest - IBTimes UK</a>.