It took several hours before security forces were able to gain control of all the sites.

VOA: standard.2009.10.15

President Obama and 18 members of his national security team spent about three hours in the White House Situation Room Wednesday, assessing their Afghanistan policy.

VOA: standard.2009.10.01

"With that,I expect the security agencies to be 24-hours alert.

VOA: standard.2009.07.30

The decision to extend the deadline to December 31, 2003 was a reversal by the Republican-led Select Committee on Homeland Security, which hours earlier had voted to keep the deadline put in place when Congress created the Transportation Security Administration in response to the September 11 terrorist attacks.

CNN: House panel tackles homeland security bill

"It is a place of extraordinary security, 23 hours a day in cells, one hour of recreation, " Toobin said.

CNN: Moussaoui curses America but judge gets final word

It took security forces several hours to regain control.

BBC: Mexico prison shooting: 17 dead in Ciudad Juarez clash