Shooting

The shooting began when police responded to a dispute between two brothers, one armed with a handgun

Deputy Aaron Tyndall was transported to a hospital, but is responsive and alert

"They're shooting at each other, dude," an officer exclaims in the video

"You're not going to lose your arm," officers say to the man who was shot in the shoulder

Months before the shooting, officers attended training that taught them emergency wound care for K-9s, which vet staff said likely saved the dog's life

Herbert Lee, who was wanted for more than 10 outstanding arrests, pulled out a gun as he stumbled from his injuries – shooting an officer in the chest

The officer, who was shot in his upper body, was transported to a hospital with non-life-threatening injuries

Videos show a stampede of people fleeing a fireworks show

Two officers were attempting a traffic stop when the driver pulled even with their squad car and began shooting

Sgt. Joe Garcia says the kindergartner reminded him of his own son

Mayor Lori Lightfoot vowed to assign more patrol officers to the area as Chicago battles with a spate of juvenile violence

Residents and business owners called for more police patrols after a deadly shooting at a popular tourist spot

Authorities were still working to confirm the authenticity of a 180-page manifesto that was posted online that detailed the plot

Erie County Sheriff: "This was pure evil. It was straight up racially motivated hate crime from somebody outside of our community."

Police were responding to a shooting that left one person dead and four others injured