A 16-year-old boy was shot and killed Saturday night at a back-to-school pool party in Covina, police confirmed to Eyewitness News on Sunday.

A second gunman has been arrested in connection with this week’s incident in Brooklyn where police shot one suspected gunman, law enforcement sources with knowledge of the case said Thursday, as both alleged shooters now face federal charges.

A man was shot and killed on Route 302 in Maine Friday afternoon, and the suspected shooter, who was at large for most of Friday afternoon, was located amid an hours long shelter-in-place order, law enforcement officials said at an evening news conference.

Police say the victim and the shooter know each other, and an ongoing dispute between the two led to the shooting.

The slaying of Deonte Alexander led to Cleveland police shooting an armed suspect Wednesday on East 73rd Street and Clark Avenue.

Dallas police are investigating the deaths of a 77-year-old man and a 63-year-old woman who were found with gunshot wounds in a home on Saturday afternoon.

The DeKalb County police officer killed in the line of duty during a shooting outside of the Center for Disease Control and Prevention headquarters will be laid to rest Friday, his family said.

Newly released bodycam video shows gunfire erupt between a gunman and police outside Grand Sierra Resort in Reno, Nevada on July 28. Police say the suspect walked into the resort’s valet area, started shooting and killed three people.