In Nairobi's business district, small groups of protesters gathered on Tuesday, initially peacefully, to call for an end to police brutality. But according to media reports, they were quickly attacked by hundreds of men on motorbikes armed with makeshift weapons, known in Kenya as "goons."

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Police vehicles and officers appeared as vendors hastily packed up their stalls. One of the officers pointed his gun in the direction of protesters, then ran with a colleague to a vendor named Jonah Kariuki. The officers pushed the man.

As he is shoved........

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