Jacob Blake: Dozens of cars on fire in Wisconsin after racially-charged police shooting

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Dozens of cars catch fire during protests in Wisconsin in the US.Officers deploy tear gas 

in an effort to disperse hundreds of people who took to the streets following a police 

shooting where Jacob Blake,a 29-year-old black man,was shot in the back at least seven 

times by a white police officer in Kenosha on Sunday. Blake is in a serious condition 

in a Milwaukee hospital.