Active shooter

A shooter opened fire inside a manufacturing facility in western Maryland Thursday afternoon, killing multiple people, authorities say.

The Georgia-based company says the bookshelves can be used to provide additional defense during an active shooter incident.

Crowds packed into Barclays Center for a high-profile boxing match ran for safety after rumors spread of a gunman in the area.

The Marine Corps Air Ground Combat Center in San Bernardino County is in lockdown, after shots were reportedly fired at the base, the facility announced on Twitter.

The man shooting from a rooftop in Huntington Park ditched his gun but remained on top of the home until until he was taken into custody by a SWAT team. Michael Brownlee reports Jan. 24, 2022.

A man was shooting from the roof of a home in Huntington Park early Monday morning, according to the Los Angeles County Sheriff’s Department.

The LA County Sheriff’s department was deploying a tactical operation around 6:40 a.m. Monday, to try and convince the shooter to surrender. NewsChopper4 video aired during TLA on Monday, Jan. 24, 2022. 

The lockdown at Washington, D.C.’s Joint Base Anacostia-Bolling was lifted after an armed man was taken into custody.

When we hear a news report about an “active shooter,” it triggers an emotional response. But what exactly do the police and FBI mean when they refer to an active shooter? In this installment of LXplanation, we define a term that has become all too common as mass shootings and gun crime have surged in the U.S.

The Pentagon was temporarily put on lockdown Tuesday morning after multiple gunshots were fired and an officer was fatally stabbed near a platform by the facility’s Metro station.

Authorities continued their investigation into the San Bernardino mass shooting at Inland Regional Center. Adrian Arambulo reports for NBC4 Toady in LA on Thursday, Dece. 3, 2015.