Janitors protesting downtown collide with police

HOUSTON

Video provided to Eyewitness News by protesters shows a police horse knocking down a man. He appeared to be OK. Moments later, police detained the woman who helped the demonstrator get back up. We're not sure if she was taken to jail.

These demonstrators work for several companies that contract to clean large office buildings. The union's contract just expired. They're seeking higher wages.

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