Newtown, Connecticut, schools placed on lockdown after threat
Newtown, Connecticut, put its school system on lockdown on Monday afternoon after a threatening call was placed to an elementary school about a mile from the site of a mass shooting six months ago.
One person injured in shooting at Texas army base
A woman was injured and her suspected shooter was arrested on Monday in what appeared to be an argument at the Fort Sam Houston Army Base in San Antonio, Texas, authorities said.
NJ man, 25, allegedly puts Camden on lockdown with phony threats
A Collingswood, N.J. man is accused of calling in bomb threats and reporting shots have been fired at various locations [...]
PHOTOS: Streets of Boston eerily empty
With most of the city in lockdown, the streets of Boston and its surrounding neighborhoods are eerily quiet.
Boston, nearby communities on lockdown as police search for marathon bombing ‘Suspect #2′
Mass. Governor Deval Patrick warned people in Boston, Watertown, Cambridge, and other communities to stay indoors with their doors and windows locked as police searched for one of the Boston Marathon bombing suspects
Two wounded in shooting at Virginia community college: police
Two women were wounded in a shooting on Friday at a satellite campus of New River Community College in Christiansburg, Virginia, and the suspected shooter is in custody, police said in a statement.
Marine kills two at Quantico base, takes own life
An active-duty Marine shot dead two fellow service members at a base at Quantico, Va., then barricaded himself in a [...]
After lockdown, MIT to review police action, communications
Officials from MIT plan to conduct a review of police and communication actions during a report of an armed gunman on campus Saturday.