Two teenage boys jumped a security fence at a research reactor in the San Francisco Bay Area, but there was no threat to the facility that uses highly enriched uranium that could be used to make a nuclear bomb.
The U.S. Secret Service will build a new 13-foot fence to surround the White House, nearly doubling the height of the current fence to help keep intruders out.
An Associated Press investigation found 268 instances in which people breached the perimeter of 31 of the nation's busiest airports between January 2004 and January 2015.
For the fourth time in less than a year, Mineta San Jose International Airport suffered a security breach after a man got inside the airport's perimeter fence before a guard detained him.
Y-12 officials have removed three security guards and a supervisor from their positions after a woman was allowed to drive onto the property last week.
