Last Edited: Saturday, 13 Dec 2008, 9:35 PM CST Created: Saturday, 13 Dec 2008, 7:10 PM CST Police were called out to Fair Park in Dallas Saturday after someone fired a gun into the crowd at Kwanzaa Fest. Soon after the shooting the crowds started to get out of hand. Witnesses describe the scene as a riot. Several people were yelling at officers while others were reportedly throwing rocks at them. Dallas police say around 3:30 p.m. a 15-year old boy shot. It's not clear whether he was involved in a crime or he was an innocent victim. Police were...