A burglar cut the wires to security cameras at two taco restaurants on the city's Southwest Side before breaking in, police said.

Twelve people were arrested Friday night after a large gathering of teenagers in downtown Chicago led to two violent incidents, police said.

A 15-year-old was wounded in a shooting during large teen gatherings Friday evening in Chicago's Streeterville neighborhood, with videos showing a large police presence and chaotic scene.

Oak Park police are ramping up security ahead of potential teen gatherings this weekend, following recent violent incidents in downtown Chicago.