Two schools in Carroll County have been placed on lockdown as police search for a carjacking suspect nearby, authorities say.
Police have identified a man who fatally shot himself at the U.S. Capitol over the weekend, triggering an hourslong lockdown.
The Anne Arundel Medical Center is on modified lockdown after a threat was made to the hospital, officials say.
All four schools in Manassas Park City are on lockdown due to reports of an armed man, officials say.
Milford Mill Academy is on lockdown to due a report of a gun in the school, officials say.
The Food and Drug Administration’s Silver Spring campus was on lockdown Thursday morning for a possible shooting, police say.
A lockdown at a suburban Richmond school has been lifted after an altercation involving two students and a knife that sent one of the students to the hospital.
The White House was placed on lockdown Thursday afternoon as the Secret Service investigated two unattended packages, a Secret Service official said.
The Veterans Affairs Medical Center in Fayetteville is returning to normal operations after being evacuated and placed on lockdown for a bomb threat.
A lockdown placed on The White House for the second time in three days has been lifted, the Secret Service says.