Los Angeles police authorized tear gas after officers were hit with fireworks and bottles during chaotic Dodgers World Series victory celebrations downtown.

Police asked for the public's help to locate a missing teen girl who was last seen on the evening of Nov. 1. Yolyn Hermios, 16, was last seen around 6:50 p.m. near Dobson and Broadway roads in west Mesa,

To commemorate the 100-year anniversary of Hammond’s death, Muskegon police officers wore commemorative replica badges throughout the month of October.

Chief Pamela A. Smith on Thursday defended an officer whose police report about a traffic stop omitted that a federal agent shot at the driver.

Explosion rocks Harvard medical building as suspects flee scene. Boston arson unit investigating intentional blast on fourth floor of Longwood medical campus. No injuries reported.

Rep. Nancy Mace allegedly berated and cursed at police officers tasked with escorting her through Charleston International Airport in South Carolina on Thursday, allegedly saying they were "[expletive] incompetent,

After a woman was fatally shot early Saturday in Kansas City, Kansas, police are asking for the public's help. Do you know anything?

A video captured chaos unfolding in Washington, D.C.'s Navy Yard neighborhood on Halloween night, and police took five people into custody.