"Law enforcement officers were struck with bottles, and deployed tear gas to stop the unlawful assembly," Wauwatosa police tweeted Friday, shortly after the 7 p.m. curfew went into effect.
Clashes between police and protesters followed news that Officer Joseph Mensah, who shot 17-year-old Cole in February, will not face criminal charges -- a decision that sparked protests amid a monthslong wave of nationwide demonstrations
over how police treat Black people
Police reported Friday that demonstrators were removing dumpsters from businesses and moving them into the roadway.
Police and the National Guard are working to patrol Wauwatosa, and a curfew is in effect nightly from 7 p.m. to 6 a.m. until Monday.