Three adults and a 1-year-old boy were killed and a 15-year-old girl was injured in a shooting Sunday in the Rylie neighborhood in southeast Dallas. Dallas police said they were called about 4:20 p.m. to the shooting scene at a home in the 9700 block of Royce Drive. When officers arrived they found the five victims, police said in a news release.

Police are looking for the people involved in multiple shootings that killed three people over the weekend in Columbus.

Oakley police announced that they have arrested an 18-year-old following the fatal shooting of a boy at an Oakley house party, which also injured three other teens.

Las Vegas police are searching for a gunman believed to have fatally shot one person and injured four others at a homeless encampment Friday night.

This comes after Los Angeles officials reported Friday that they are seeking a suspected serial killer in the murders of three homeless people this week.