Emergency response at the White House this morning, as Secret Service went into reaction mode once a unmanned drone crashed into the presidential mansion.
Harford Community College is on lockdown Tuesday night.
Milford Mill Academy was placed on lockdown for two hours as police investigated reports of a threat at the school before determining it was a hoax. Derek Valcourt has the details.
Police say two men, one armed with a handgun, terrorized college students in Westminster.
Two Anne Arundel County Schools were on lockdown as police searched for a suspect in a stabbing. Police say all suspects are in custody.
A 13-year-old girl, who is a student at North Carroll Middle School, committed suicide off school grounds.
Lockdown Lifted: Police Escort St. Pius X Students To Parents After Man Rams Truck Into Nearby TV Station
Hundreds of students at a nearby school were placed on lockdown during the incident.
One day after a Baltimore City charter school goes on lockdown, the mayor and the police commissioner meet with parents to talk about what happened at KIPP Academy.
Threatening a Columbine incident, a Carroll County man faces charges after police say he forced a high school into a lockdown that lasted for hours.
The investigation continues after threats of a shooting put a Carroll County high school on lockdown.
Three police departments swarm South Carroll High School after threats of a shooting come in just as classes were to be let out.
A Maryland college goes on lockdown afters shots were fired into a residence hall. Fortunately, no one was hurt.