DC Mayor Muriel Bowser joins The Lead.

A vigil was held Thursday night for the victims of a mass shooting in D.C.'s Logan Circle neighborhood. Police said the suspect in the shooting, Dr. Matt Lambert, died from a self-inflicted gunshot

At least four people were shot in Northwest D.C. on Thursday morning. D.C. police are treating this as an active shooting situation in the area of 15th and P Street NW. MPD’s Emergency Response Team is on scene.

Officials say that a 24-year-old killed his family and then six people during a rampage in Krakow. Now they are trying to determine the motive.

Mass shootings over the Halloween weekend across the U.S. in largely nightlife districts left at least six people dead and dozens injured.

The suit filed on behalf of Craig and Nanci Hyman claims that their daughter, Julia Hyman, would be alive today were it not for the “negligence, carelessness, recklessness, and disregard for the safety of building occupants”

A shooting after a Florida A&M homecoming game injured a dozen people, including six children. The article lists some of the worst mass shootings in Florida's history, including those at Pulse nightclub and Marjory Stoneman Douglas High School.

Four people were shot in a trendy Washington, D.C., neighborhood within walking distance of the White House. WASHINGTON — Four people were shot in a trendy Washington, D.C., neighborhood within walking distance of the White House early Thursday, police said, who were responding to multiple locations.