lockdown

The school was put into a lockdown for an hour.

Schools were put in lockdown, and students sent home early.

"It was a total lockdown so everyone had to stay where they were."

However, after several hours in lockdown, the police clear the area and the students are allowed to leave.

It's a lockdown place at night, but I'd be free during the day.

If there were anything to worry about, we would have been told to go into lockdown.

There's a 23-hour lockdown, and we have nothing to do.

The term of choice for schools in the area is "lockdown."

You know that lockdown I ordered not too long ago?

The school went into lockdown for approximately 45 minutes until police gave the all clear.

The key function of the building appears to be the lockdown.

Schools will do a lockdown drill one or two times per year.

In mid-2007 the school saw a lockdown which lasted 2 hours.

The school, along with all other schools in the district, then went into lockdown later that morning.

It could only mean that there had been a complete press lockdown on the story.

By then, however, the police had put the building on lockdown and started making arrests.

Safe to say, Facebook is in a state of lockdown.

Still, after weeks living under lockdown, breathing was not entirely easy.

There are no pictures, because the row was on lockdown that day.

There's nobody to even answer a question about why the place is on lockdown."

Less time on the field because of lockdown defense and a run oriented offense.

"All special mission teams have been put on lockdown," the secretary of defense said.

He led the way through the connecting door, then closed it, and called for a lockdown.

Students were kept in the school under lockdown until police investigated and released them.

During Li's visit, the school was placed into lockdown by the police.