it also wounded nearly two dozen others, including kids wabc's, josh einiger has more. they've been celebrating their super bowl win on a carefree, springlike day. >> but in an instant. as bullets sprayed kansas city's union station, 800,000 people found themselves running for their lives. all of the sudden, people started rushing forward. >> everybody started running. we didn't know what was happening, but this day and age, when people run, you run. >> fortunately, firstrillionesponders had already pre-staged for the giant chiefs victory parade when the mass shooting unfolded before them. ambulances rushing gunshot victims, nine of them children to area hospitals as multiple suspects were quickly taken down , one of them by onlookers like paul contreras. >> so i went to go tackle him and another gentleman did the same thing. and as i'm tackling him, i see his weapon either fall out of his hand or out of his sleeve. when we tackled him, the gun came out and i seen that hit the ground. i'm like, oh, you know, we got to take this guy down. police say they took three peopl