German police have used tear gas on thousands of anti-austerity protesters in Frankfurt.
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German police use tear gas on protesters
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Thousands march in Portugal to protest austerity
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Syrian police fire teargas at protesters
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Anti-us protesters scuffle with police
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Polish riot police stand guard during clashes with soccer fans before Euro 2012 soccer match between POLAND and Russia in Warsaw
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Omani police fire on protesters
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Thousands of Romanian workers go on strike
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Czech police seize millions of dollars worth of cash during raids
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Climate change protesters arrested
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British police say 31 arrested at protests
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Protest reaching 'explosive point'
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Police on high alert as strike continues
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Russian police detain protesters
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Ugandan police fire tear gas at journalists protesting crackdown
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Dozens of protesters gathered to put end
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Protesters destroy police post at French embassy in Tehran
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Greek anti-austerity protesters join ``occupy'' movement