Chicago police report that a mass shooting occurred in the South Side neighborhood of Princeton Park, injuring at least 12 individuals after an SUV pulled up and fired into a crowd. This incident is part of a troubling weekend that saw a total of five fatalities and 19 injuries due to gun violence across the city. Authorities found more than 100 shell casings at the scene, indicating the severity of the attack. Investigations are ongoing as officials seek to track down the gunmen responsible for this violent outbreak.