Thousands of protesters gathered in Sidi Bouzid, cradle of the Arab Spring uprisings, after a Chokri Belaid, a prominent secular opponent of Tunisia's moderate Islamist-led government, was shot dead.
"More than four thousand are protesting now, burning tyres and throwing stones at the police," Mehdi Horchani, a Sidi Bouzid resident, told Reuters. "There is great anger".
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